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Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG613379389

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG613379389

Diamond specifications and retailer prices

From €286 EUR
$319 USD
As of October 30, 2026
Save €2,355 EUR (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €2,641 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG613379389 or 613379389. Listed at 29 retailers as of October 30, 2026, with prices from €286 to €2,641, a €2,355 spread on the same certified stone. Brilliant Earth lists it at €2,641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613379389
Dimensions8.14 × 5.83 × 3.95 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.14 mm5.83 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613379389
Side View
Table 65.0%Crown 35°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,641 EUR|Low: €286 EUR|High: €3,142 EUR|Avg: €970 EUR|-16.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 3€286 EUR
Retailer 2€320 EUR
Retailer 10€412 EUR
Retailer 4€499 EUR
Retailer 20€501 EUR
Retailer 16€575 EUR
Retailer 8€586 EUR
Retailer 19€608 EUR
Retailer 15€631 EUR
Retailer 9€798 EUR
Retailer 18€824 EUR
Retailer 5€975 EUR
Retailer 21€1,037 EUR
Retailer 11€1,178 EUR
Retailer 14€1,178 EUR
Retailer 12€1,187 EUR
Retailer 7€1,361 EUR
Retailer 6€1,408 EUR
Retailer 13€1,418 EUR
Retailer 17€1,504 EUR
Brilliant Earth€2,641 EUR

34 data points across 21 retailers

29 retailers€286 EUR to €2,641 EUR

A
Cheapest Retailer
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€286 EUR
$319 USD
Retailer 2
-
€286 EUR
$319 USD
View
Price last confirmed 24 days ago
Retailer 3
-
€297 EUR
$332 USD
View
Price last confirmed 32 days ago
A
Retailer 4
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€320 EUR
$357 USD
View
Final sale: no returns
Retailer 5
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€345 EUR
$385 USD
View
Price last confirmed 35 days ago
Retailer 6
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€354 EUR
$395 USD
View
Price last confirmed 29 days ago
Retailer 7
-
€363 EUR
$406 USD
View
Price last confirmed 34 days ago
A
Retailer 8
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€412 EUR
HK$3,600 HKD
View
A
Retailer 9
-
€499 EUR
$558 USD
View
A
Retailer 10
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€501 EUR
$560 USD
View
A
Retailer 11
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€575 EUR
View
A
Retailer 12
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€586 EUR
$655 USD
View
A
Retailer 13
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€608 EUR
ZAR 10,972 ZAR
View
A
Retailer 14
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€631 EUR
£555 GBP
View
A
Retailer 15
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€798 EUR
$891 USD
View
A
Retailer 16
-
€824 EUR
A$1,417 AUD
View
B+
Retailer 17
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€975 EUR
$1,089 USD
View
B+
Retailer 18
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€1,037 EUR
$1,159 USD
View
Retailer 19
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€1,138 EUR
$1,271 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
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€1,138 EUR
$1,271 USD
View
B+
Retailer 21
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€1,178 EUR
$1,316 USD
View
B+
Retailer 22
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€1,178 EUR
$1,316 USD
View
Retailer 23
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€1,185 EUR
$1,324 USD
View
Price last confirmed 32 days ago
B+
Retailer 24
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€1,187 EUR
SGD 1,792 SGD
View
B+
Retailer 25
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€1,361 EUR
$1,520 USD
View
B+
Retailer 26
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€1,408 EUR
$1,573 USD
View
B+
Retailer 27
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€1,418 EUR
£1,247 GBP
View
B+
Retailer 28
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€1,504 EUR
A$2,585 AUD
View
Most Expensive
B
Brilliant Earth
8881666A · Oct 31
€2,641 EUR
$2,950 USD
View
28 more retailers have this diamond
Prices start from €286 EURSave up to €2,355 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.57ct Radiant
€286 EUR