CaratHunter
Plans
Radiant|Lab Grown|IGI

1.57ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG474119434

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

Certificate IGI LG474119434

Diamond specifications and retailer prices

From €175 EUR
$195 USD
As of October 27, 2026
Save €1,499 EUR (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,674 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474119434 or 474119434. Listed at 9 retailers as of October 27, 2026, with prices from €175 to €1,674, a €1,499 spread on the same certified stone. Do Amore Diamonds lists it at €1,674. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474119434
Dimensions7.23 × 5.79 × 3.96 mm
L/W Ratio1.25
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
7.23 mm5.79 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474119434
Side View
Table 67.5%Crown 48.7°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 68.4%

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 27
Current: €1,674 EUR|Low: €135 EUR|High: €1,674 EUR|Avg: €597 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6€175 EUR
Retailer 10€195 EUR
Retailer 9€202 EUR
Retailer 2€267 EUR
Retailer 8€378 EUR
Retailer 11€510 EUR
Retailer 5€698 EUR
Retailer 3€713 EUR
Retailer 7€768 EUR
Retailer 4€958 EUR
Do Amore Diamonds€1,674 EUR

35 data points across 11 retailers

9 retailers€175 EUR to €1,674 EUR

A
Cheapest Retailer
-
€175 EUR
$195 USD
A
Retailer 2
-
€195 EUR
$218 USD
View
Final sale: no returns
A
Retailer 3
-
€202 EUR
$226 USD
View
A
Retailer 4
-
€267 EUR
£235 GBP
View
B+
Retailer 5
-
€378 EUR
$422 USD
View
B
Retailer 6
-
€698 EUR
$780 USD
View
B
Retailer 7
-
€768 EUR
$858 USD
View
B
Retailer 8
-
€958 EUR
£843 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3B8728BE6 · Oct 29
€1,674 EUR
$1,870 USD
View
8 more retailers have this diamond
Prices start from €175 EURSave up to €1,499 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
€175 EUR