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Heart|Lab Grown|IGI

1.28ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG831661558

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831661558

Diamond specifications and retailer prices

From $192 USD
As of November 2, 2026
Save $923 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,115 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831661558 or 831661558. Listed at 14 retailers as of November 1, 2026, with prices from $192 to $1,115, a $923 spread on the same certified stone. MOH London lists it at $1,115. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831661558
Dimensions7.50 × 6.56 × 4.46 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm6.56 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831661558
Side View
Table 62.0%Crown 34.3°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 59.5%

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: Nov 2
Current: $1,115 USD|Low: $192 USD|High: $1,185 USD|Avg: $482 USD|-4.8%
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
Retailer 14
November 2, 2026
Retailer 14$192 USD
Retailer 3$214 USD
Retailer 13$223 USD
Retailer 10$238 USD
Retailer 5$243 USD
Retailer 12$322 USD
Retailer 8$412 USD
Retailer 7$434 USD
Retailer 6$509 USD
Retailer 2$582 USD
Retailer 11$766 USD
Retailer 9$769 USD
Retailer 4$820 USD
MOH London$1,115 USD

44 data points across 14 retailers

14 retailers$192 USD to $1,115 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$223 USD
View
A
Retailer 4
-
$238 USD
View
Retailer 5
-
$243 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$322 USD
View
A
Retailer 7
-
$412 USD
ZAR 6,649 ZAR
View
A
Retailer 8
-
$434 USD
£342 GBP
View
B+
Retailer 9
-
$509 USD
View
B+
Retailer 10
-
$582 USD
A$895 AUD
View
B+
Retailer 11
-
$766 USD
View
B+
Retailer 12
-
$769 USD
View
B
Retailer 13
-
$820 USD
View
Most Expensive
B
MOH London
LG831661558 · Nov 1
$1,115 USD
£878 GBP
View
13 more retailers have this diamond
Prices start from $192 USDSave up to $923 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 Heart
$192 USD