Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG823652322

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652322

Diamond specifications and retailer prices

From $262 USD
As of November 3, 2026
Save $1,262 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,860 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823652322 or 823652322. Listed at 14 retailers as of November 2, 2026, with a 482% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652322
Dimensions6.86 × 7.26 × 4.38 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm7.26 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652322
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.3%

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 3
Current: $1,860 USD|Low: $262 USD|High: $1,860 USD|Avg: $840 USD
Brilliant Earth
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 3, 2026
Retailer 2$262 USD
Retailer 5$395 USD
Retailer 13$505 USD
Retailer 11$530 USD
Retailer 7$550 USD
Retailer 4$650 USD
Retailer 8$713 USD
Retailer 10$939 USD
Retailer 6$988 USD
Retailer 9$1,011 USD
Retailer 3$1,171 USD
Retailer 12$1,524 USD
Brilliant Earth$1,860 USD

24 data points across 13 retailers

14 retailers$262 USD to $1,524 USD

A
Cheapest Retailer
-
$262 USD
Final sale: no returns
A
Retailer 2
-
$395 USD
View
A
Retailer 3
-
$505 USD
ZAR 8,154 ZAR
View
B+
Retailer 4
-
$530 USD
€505 EUR
View
B+
Retailer 5
-
$550 USD
£433 GBP
View
B+
Retailer 6
-
$650 USD
View
B+
Retailer 7
-
$713 USD
A$1,097 AUD
View
B
Retailer 8
-
$939 USD
View
B+
Retailer 9
-
$988 USD
View
B+
Retailer 10
-
$1,011 USD
View
Retailer 11
-
$1,151 USD
A$1,771 AUD
View
Price last confirmed 26 days ago
B
Retailer 12
-
$1,171 USD
£922 GBP
View
B
Retailer 13
-
$1,524 USD
SGD 2,059 SGD
View
Most Expensive
Brilliant Earth
20909019A · Oct 16
$1,860 USD
View
Price last confirmed 17 days ago
13 more retailers have this diamond
Prices start from $262 USDSave up to $1,262 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
$262 USD