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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754594007

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

Certificate IGI LG754594007

Diamond specifications and retailer prices

From €243 EUR
$271 USD
As of October 30, 2026
Save €2,666 EUR (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,909 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown radiant diamond

This 1.61ct 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 LG754594007 or 754594007. Listed at 17 retailers as of October 30, 2026, with prices from €243 to €2,909, a €2,666 spread on the same certified stone. Brilliant Earth lists it at €2,909. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594007
Dimensions8.43 × 8.43 × 5.74 mm
L/W Ratio1.00
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
8.43 mm8.43 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594007
Side View
Table 59.0%Crown 42.8°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 66.9%

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: €2,909 EUR|Low: €243 EUR|High: €4,279 EUR|Avg: €1,156 EUR|-32.0%
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
October 31, 2026
Retailer 12€243 EUR
Retailer 5€281 EUR
Retailer 9€303 EUR
Retailer 13€458 EUR
Retailer 7€497 EUR
Retailer 16€499 EUR
Retailer 2€553 EUR
Retailer 3€780 EUR
Retailer 8€799 EUR
Retailer 15€925 EUR
Retailer 4€957 EUR
Retailer 17€1,068 EUR
Retailer 11€1,338 EUR
Retailer 10€1,542 EUR
Retailer 14€2,157 EUR
Retailer 6€2,493 EUR
Brilliant Earth€2,909 EUR

35 data points across 17 retailers

17 retailers€243 EUR to €2,909 EUR

A
Cheapest Retailer
-
€243 EUR
$271 USD
A
Retailer 2
-
€281 EUR
$314 USD
View
A
Retailer 3
-
€303 EUR
$338 USD
View
Final sale: no returns
A
Retailer 4
-
€458 EUR
$512 USD
View
A
Retailer 5
-
€497 EUR
$555 USD
View
A
Retailer 6
-
€499 EUR
$557 USD
View
A
Retailer 7
-
€553 EUR
View
Retailer 8
-
€780 EUR
A$1,340 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
€799 EUR
$893 USD
View
B+
Retailer 10
-
€925 EUR
$1,033 USD
View
A
Retailer 11
-
€957 EUR
$1,070 USD
View
B+
Retailer 12
-
€1,068 EUR
$1,193 USD
View
B+
Retailer 13
-
€1,338 EUR
£1,177 GBP
View
B+
Retailer 14
-
€1,542 EUR
A$2,651 AUD
View
B
Retailer 15
-
€2,157 EUR
$2,410 USD
View
B
Retailer 16
-
€2,493 EUR
$2,785 USD
View
Most Expensive
B
Brilliant Earth
17388414Y · Oct 31
€2,909 EUR
$3,250 USD
View
16 more retailers have this diamond
Prices start from €243 EURSave up to €2,666 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
1.61ct Radiant
€243 EUR