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Round|Lab Grown|IGI

1.57ct K VS2 Round Lab Grown Diamond

ID • K/VS2 • IGI LG407950921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407950921

Diamond specifications and retailer prices

From $2,114 USD
As of November 5, 2026
Save $4,522 USD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,636 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407950921 or 407950921. Listed at 9 retailers as of November 5, 2026, with prices from $2,114 to $6,636, a $4,522 spread on the same certified stone. MOH London lists it at $6,636. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
K
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950921
Dimensions7.44 × 7.47 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.44 mm7.47 mm1.57 ctK / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407950921
Side View
Table 57.5%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,636 USD|Low: $2,029 USD|High: $6,742 USD|Avg: $3,666 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$2,114 USD
Retailer 7$2,300 USD
Retailer 5$2,452 USD
Retailer 2$2,620 USD
Retailer 9$3,106 USD
Retailer 8$3,371 USD
Retailer 6$3,833 USD
Retailer 3$3,933 USD
Retailer 10$5,486 USD
MOH London$6,636 USD

17 data points across 10 retailers

9 retailers$2,114 USD to $6,636 USD

B+
Cheapest Retailer
-
$2,114 USD
B+
Retailer 2
-
$2,300 USD
View
B
Retailer 3
-
$2,452 USD
View
Retailer 4
-
$2,452 USD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$2,620 USD
View
B
Retailer 6
-
$3,371 USD
View
B
Retailer 7
-
$3,833 USD
View
B
Retailer 8
-
$3,933 USD
View
Most Expensive
B
MOH London
LG407950921 · Nov 5
$6,636 USD
£5,225 GBP
View
8 more retailers have this diamond
Prices start from $2,114 USDSave up to $4,522 USD

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.

B+
1.57ct Round
$2,114 USD