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Radiant|Lab Grown|IGI

1.28ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG618411378

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

Certificate IGI LG618411378

Diamond specifications and retailer prices

From $176 USD
As of November 4, 2026
Save $967 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,143 USD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG618411378 or 618411378. Listed at 22 retailers as of November 4, 2026, with prices from $176 to $1,143, a $967 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,143. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618411378
Dimensions7.92 × 5.22 × 3.47 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.92 mm5.22 mm1.28 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618411378
Side View
Table 66.0%Crown 41.1°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 66.5%

Caratlytics Score

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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: $1,143 USD|Low: $160 USD|High: $1,143 USD|Avg: $500 USD
Flawless Fine Jewelry
Retailer 2
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Retailer 21
November 4, 2026
Retailer 6$176 USD
Retailer 13$196 USD
Retailer 21$204 USD
Retailer 14$207 USD
Retailer 10$219 USD
Retailer 20$367 USD
Retailer 17$377 USD
Retailer 2$388 USD
Retailer 7$388 USD
Retailer 3$498 USD
Retailer 16$533 USD
Retailer 4$544 USD
Retailer 15$566 USD
Retailer 11$657 USD
Retailer 12$670 USD
Retailer 19$702 USD
Retailer 9$756 USD
Retailer 5$800 USD
Retailer 18$1,021 USD
Retailer 8$1,117 USD
Flawless Fine Jewelry$1,143 USD

35 data points across 21 retailers

22 retailers$176 USD to $1,143 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
Retailer 4
-
$207 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$219 USD
View
A
Retailer 6
-
$367 USD
View
A
Retailer 7
-
$377 USD
View
A
Retailer 8
-
$388 USD
View
A
Retailer 9
-
$388 USD
View
B+
Retailer 10
-
$498 USD
View
B+
Retailer 11
-
$533 USD
View
B+
Retailer 12
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$544 USD
View
B+
Retailer 13
-
$566 USD
View
Retailer 14
-
$657 USD
View
Price last confirmed 8 days ago
Retailer 15
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$670 USD
View
Price last confirmed 14 days ago
B
Retailer 16
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$702 USD
View
B
Retailer 17
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$756 USD
View
B+
Retailer 18
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$759 USD
View
B
Retailer 19
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$800 USD
View
B
Retailer 20
-
$1,021 USD
View
B
Retailer 21
-
$1,117 USD
View
Most Expensive
B
Flawless Fine Jewelry
4D3D5D2AF · Nov 4
$1,143 USD
£900 GBP
View
21 more retailers have this diamond
Prices start from $176 USDSave up to $967 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
$176 USD