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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 $3,020 AUD
As of November 5, 2026
Save $6,459 AUD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,479 AUD 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 $3,020 to $9,479, a $6,459 spread on the same certified stone. MOH London lists it at $9,479. 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
Colour
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: $9,479 AUD|Low: $2,898 AUD|High: $9,632 AUD|Avg: $5,237 AUD|-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$3,020 AUD
Retailer 7$3,286 AUD
Retailer 5$3,503 AUD
Retailer 2$3,743 AUD
Retailer 9$4,437 AUD
Retailer 8$4,815 AUD
Retailer 6$5,475 AUD
Retailer 3$5,618 AUD
Retailer 10$7,837 AUD
MOH London$9,479 AUD

17 data points across 10 retailers

9 retailers$3,020 AUD to $9,479 AUD

B+
Cheapest Retailer
-
$3,020 AUD
B+
Retailer 2
-
$3,286 AUD
View
B
Retailer 3
-
$3,503 AUD
View
Retailer 4
-
$3,503 AUD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$3,743 AUD
View
B
Retailer 6
-
$4,815 AUD
View
B
Retailer 7
-
$5,475 AUD
View
B
Retailer 8
-
$5,618 AUD
View
Most Expensive
B
MOH London
LG407950921 · Nov 5
$9,479 AUD
£5,225 GBP
View
8 more retailers have this diamond
Prices start from $3,020 AUDSave up to $6,459 AUD

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
$3,020 AUD