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Heart|Lab Grown|IGI

1.28ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG663402842

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG663402842

Diamond specifications and retailer prices

From $230 USD
As of November 2, 2026
Save $1,060 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,290 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG663402842 or 663402842. Listed at 19 retailers as of November 1, 2026, with prices from $230 to $1,290, a $1,060 spread on the same certified stone. Reve Diamonds lists it at $1,290. 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 angle34.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG663402842
Dimensions7.38 × 6.91 × 4.42 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm6.91 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG663402842
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.9%

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: $534 USD|Low: $228 USD|High: $1,290 USD|Avg: $625 USD|+18.9%
Retailer 1
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Retailer 19
Reve Diamonds
November 2, 2026
Retailer 19$230 USD
Retailer 7$258 USD
Retailer 16$267 USD
Retailer 3$286 USD
Retailer 4$286 USD
Retailer 18$383 USD
Retailer 13$440 USD
Retailer 8$484 USD
Retailer 12$493 USD
Retailer 6$522 USD
Retailer 1$534 USD
Retailer 5$604 USD
Retailer 14$696 USD
Retailer 10$822 USD
Retailer 2$918 USD
Retailer 17$921 USD
Retailer 11$970 USD
Retailer 9$970 USD
Retailer 15$1,146 USD
Reve Diamonds$1,290 USD

39 data points across 20 retailers

19 retailers$230 USD to $1,290 USD

A
Cheapest Retailer
-
$230 USD
A
Retailer 2
-
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$267 USD
View
A
Retailer 4
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$286 USD
View
Retailer 5
-
$286 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$440 USD
€419 EUR
View
B+
Retailer 7
-
$484 USD
View
B+
Retailer 8
-
$493 USD
ZAR 7,963 ZAR
View
B+
Retailer 9
-
$522 USD
View
B+
Retailer 10
-
$534 USD
£421 GBP
View
B+
Retailer 11
-
$604 USD
View
B+
Retailer 12
-
$696 USD
A$1,071 AUD
View
B
Retailer 13
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$822 USD
View
B
Retailer 14
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$918 USD
View
B
Retailer 15
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$921 USD
View
B
Retailer 16
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$970 USD
View
B
Retailer 17
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$970 USD
View
B
Retailer 18
-
$1,146 USD
£902 GBP
View
Most Expensive
B
Reve Diamonds
858EEDA8D · Nov 1
$1,290 USD
View
18 more retailers have this diamond
Prices start from $230 USDSave up to $1,060 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
$230 USD