CaratHunter
Plans
Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729589868

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

Certificate IGI LG729589868

Diamond specifications and retailer prices

From €269 EUR
$301 USD
As of October 30, 2026
Save €2,362 EUR (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €2,632 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 LG729589868 or 729589868. Listed at 27 retailers as of October 30, 2026, with prices from €269 to €2,632, a €2,362 spread on the same certified stone. Brilliant Earth lists it at €2,632. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729589868
Dimensions8.70 × 5.86 × 3.63 mm
L/W Ratio1.48
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
8.70 mm5.86 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729589868
Side View
Table 62.0%Crown 39°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,632 EUR|Low: €259 EUR|High: €3,034 EUR|Avg: €1,046 EUR|-13.3%
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
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 1, 2026
Retailer 4€269 EUR
Retailer 25€312 EUR
Retailer 6€322 EUR
Retailer 3€334 EUR
Retailer 21€403 EUR
Retailer 24€493 EUR
Retailer 9€519 EUR
Retailer 15€568 EUR
Retailer 20€599 EUR
Retailer 23€633 EUR
Retailer 13€660 EUR
Retailer 16€720 EUR
Retailer 10€758 EUR
Retailer 17€835 EUR
Retailer 22€859 EUR
Retailer 7€1,026 EUR
Retailer 5€1,185 EUR
Retailer 12€1,284 EUR
Retailer 18€1,329 EUR
Retailer 11€1,353 EUR
Retailer 19€1,415 EUR
Retailer 2€1,477 EUR
Retailer 8€1,536 EUR
Retailer 26€2,202 EUR
Retailer 14€2,390 EUR
Brilliant Earth€2,632 EUR

35 data points across 26 retailers

27 retailers€269 EUR to €2,632 EUR

A
Cheapest Retailer
-
€269 EUR
$301 USD
A
Retailer 2
-
€312 EUR
$349 USD
View
A
Retailer 3
-
€322 EUR
$360 USD
View
Final sale: no returns
A
Retailer 4
-
€334 EUR
$373 USD
View
A
Retailer 5
-
€403 EUR
$450 USD
View
A
Retailer 6
-
€493 EUR
HK$4,300 HKD
View
A
Retailer 7
-
€519 EUR
$580 USD
View
A
Retailer 8
-
€568 EUR
$635 USD
View
A
Retailer 9
-
€599 EUR
View
A
Retailer 10
-
€633 EUR
ZAR 11,431 ZAR
View
A
Retailer 11
-
€660 EUR
£581 GBP
View
A
Retailer 12
-
€720 EUR
A$1,238 AUD
View
A
Retailer 13
-
€758 EUR
$847 USD
View
A
Retailer 14
-
€835 EUR
$933 USD
View
A
Retailer 15
-
€859 EUR
A$1,477 AUD
View
B+
Retailer 16
-
€1,026 EUR
$1,146 USD
View
B+
Retailer 17
-
€1,185 EUR
$1,324 USD
View
B+
Retailer 18
-
€1,284 EUR
$1,434 USD
View
B+
Retailer 19
-
€1,329 EUR
$1,484 USD
View
B+
Retailer 20
-
€1,353 EUR
$1,511 USD
View
B+
Retailer 21
-
€1,415 EUR
SGD 2,137 SGD
View
B+
Retailer 22
-
€1,477 EUR
£1,299 GBP
View
Retailer 23
-
€1,536 EUR
A$2,640 AUD
View
Price last confirmed 24 days ago
B
Retailer 24
-
€2,202 EUR
$2,460 USD
View
Retailer 25
-
€2,220 EUR
$2,480 USD
View
Price last confirmed 104 days ago
B
Retailer 26
-
€2,390 EUR
$2,670 USD
View
Most Expensive
B
Brilliant Earth
16223276Y · Oct 31
€2,632 EUR
$2,940 USD
View
26 more retailers have this diamond
Prices start from €269 EURSave up to €2,362 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
€269 EUR