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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG800685025

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG800685025

Diamond specifications and retailer prices

From $202 USD
As of November 4, 2026
Save $1,778 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,980 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant 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 LG800685025 or 800685025. Listed at 17 retailers as of November 4, 2026, with prices from $202 to $1,980, a $1,778 spread on the same certified stone. Do Amore Diamonds lists it at $1,980. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685025
Dimensions8.13 × 5.43 × 3.52 mm
L/W Ratio1.50
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.13 mm5.43 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685025
Side View
Table 63.0%Crown 39.8°Girdle: MED-STKPavilion 35°Culet: NoneDepth 64.8%

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 4
Current: $1,980 USD|Low: $184 USD|High: $1,980 USD|Avg: $751 USD|+7.6%
Do Amore Diamonds
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
Retailer 15
November 3, 2026
Retailer 7$202 USD
Retailer 15$206 USD
Retailer 5$239 USD
Retailer 3$412 USD
Retailer 4$442 USD
Retailer 9$452 USD
Retailer 12$511 USD
Retailer 2$690 USD
Retailer 14$825 USD
Retailer 13$908 USD
Retailer 11$979 USD
Retailer 6$1,115 USD
Retailer 8$1,131 USD
Retailer 10$1,200 USD
Do Amore Diamonds$1,980 USD

33 data points across 15 retailers

17 retailers$202 USD to $1,980 USD

A
Cheapest Retailer
-
$202 USD
Final sale: no returns
A
Retailer 2
-
$206 USD
View
A
Retailer 3
-
$239 USD
View
A
Retailer 4
-
$412 USD
View
A
Retailer 5
-
$442 USD
View
A
Retailer 6
-
$452 USD
View
A
Retailer 7
-
$511 USD
View
B+
Retailer 8
-
$690 USD
View
B+
Retailer 9
-
$825 USD
View
B
Retailer 10
-
$908 USD
View
B+
Retailer 11
-
$979 USD
View
Retailer 12
-
$1,115 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$1,131 USD
View
Retailer 14
-
$1,155 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$1,200 USD
View
Retailer 16
-
$1,210 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Do Amore Diamonds
27-59BAF2DEB · Nov 4
$1,980 USD
View
16 more retailers have this diamond
Prices start from $202 USDSave up to $1,778 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 Radiant
$202 USD