Round|Lab Grown|IGI

1.28ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG788642505

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788642505

Diamond specifications and retailer prices

From $222 USD
As of October 25, 2026
Save $814 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,036 USD at MOH London · As of November 1, 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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788642505 or 788642505. Listed at 16 retailers as of October 25, 2026, with prices from $222 to $1,036, a $814 spread on the same certified stone. MOH London lists it at $1,036. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788642505
Dimensions7.03 × 6.98 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.03 mm6.98 mm1.28 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788642505
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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 25
Current: $1,036 USD|Low: $172 USD|High: $1,049 USD|Avg: $510 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11$179 USD
Retailer 3$222 USD
Retailer 9$222 USD
Retailer 2$300 USD
Retailer 7$375 USD
Retailer 8$456 USD
Retailer 6$463 USD
Retailer 13$500 USD
Retailer 4$547 USD
Retailer 12$580 USD
Retailer 10$753 USD
Retailer 5$767 USD
MOH London$1,036 USD

22 data points across 13 retailers

16 retailers$222 USD to $1,036 USD

Retailer 1
-
$179 USD
Price last confirmed 21 days ago
Retailer 2
-
$207 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$222 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$222 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$222 USD
View
B+
Retailer 6
-
$300 USD
View
A
Retailer 7
-
$375 USD
€357 EUR
View
A
Retailer 8
-
$456 USD
View
A
Retailer 9
-
$463 USD
£364 GBP
View
Retailer 10
-
$500 USD
View
Price last confirmed 13 days ago
A
Retailer 11
-
$547 USD
View
A
Retailer 12
-
$580 USD
View
Retailer 13
-
$713 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$753 USD
View
B+
Retailer 15
-
$767 USD
View
Most Expensive
B+
MOH London
LG788642505 · Nov 1
$1,036 USD
£816 GBP
View
15 more retailers have this diamond
Prices start from $222 USDSave up to $814 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
$222 USD