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Round|Lab Grown|IGI

1.28ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG436064896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436064896

Diamond specifications and retailer prices

From $375 USD
As of October 30, 2026
Save $611 USD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $986 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436064896 or 436064896. Listed at 5 retailers as of October 29, 2026, with prices from $375 to $986, a $611 spread on the same certified stone. MOH London lists it at $986. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436064896
Dimensions6.92 × 6.89 × 4.31 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.92 mm6.89 mm1.28 ctJ / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436064896
Side View
Table 58.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: $986 USD|Low: $282 USD|High: $1,162 USD|Avg: $641 USD|-14.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 18, 2026
Retailer 2$375 USD
Retailer 3$462 USD
Retailer 4$579 USD
Retailer 6$584 USD
Retailer 5$729 USD
MOH London$986 USD

14 data points across 6 retailers

5 retailers$375 USD to $986 USD

B+
Cheapest Retailer
-
$375 USD
A
Retailer 2
-
$462 USD
View
A
Retailer 3
-
$579 USD
View
Retailer 4
-
$729 USD
View
Price last confirmed 12 days ago
Most Expensive
B+
MOH London
LG436064896 · Oct 29
$986 USD
£776 GBP
View
4 more retailers have this diamond
Prices start from $375 USDSave up to $611 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.

A
1.28ct Round
$375 USD