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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 $312 NZD
As of November 4, 2026
Save $1,715 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,028 NZD 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 $312 to $2,028, a $1,715 spread on the same certified stone. Flawless Fine Jewelry lists it at $2,028. 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
Colour
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: $2,028 NZD|Low: $284 NZD|High: $2,028 NZD|Avg: $872 NZD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 21
November 5, 2026
Retailer 6$312 NZD
Retailer 15$348 NZD
Retailer 21$362 NZD
Retailer 14$367 NZD
Retailer 10$389 NZD
Retailer 20$651 NZD
Retailer 18$669 NZD
Retailer 2$688 NZD
Retailer 7$688 NZD
Retailer 3$883 NZD
Retailer 17$946 NZD
Retailer 4$965 NZD
Retailer 16$1,004 NZD
Retailer 11$1,166 NZD
Retailer 12$1,189 NZD
Retailer 19$1,245 NZD
Retailer 9$1,341 NZD
Retailer 5$1,419 NZD
Retailer 13$1,806 NZD
Retailer 8$1,982 NZD
Flawless Fine Jewelry$2,028 NZD

36 data points across 21 retailers

22 retailers$312 NZD to $2,028 NZD

A
Cheapest Retailer
-
$312 NZD
A
Retailer 2
-
$348 NZD
View
Final sale: no returns
A
Retailer 3
-
$362 NZD
View
Retailer 4
-
$367 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$389 NZD
View
A
Retailer 6
-
$651 NZD
View
A
Retailer 7
-
$669 NZD
View
A
Retailer 8
-
$688 NZD
View
A
Retailer 9
-
$688 NZD
View
B+
Retailer 10
-
$883 NZD
View
B+
Retailer 11
-
$946 NZD
View
B+
Retailer 12
-
$965 NZD
View
B+
Retailer 13
-
$1,004 NZD
View
Retailer 14
-
$1,166 NZD
View
Price last confirmed 9 days ago
Retailer 15
-
$1,189 NZD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$1,245 NZD
View
B
Retailer 17
-
$1,341 NZD
View
B+
Retailer 18
-
$1,346 NZD
View
B
Retailer 19
-
$1,419 NZD
View
B
Retailer 20
-
$1,806 NZD
View
B
Retailer 21
-
$1,982 NZD
View
Most Expensive
B
Flawless Fine Jewelry
4D3D5D2AF · Nov 4
$2,028 NZD
£900 GBP
View
21 more retailers have this diamond
Prices start from $312 NZDSave up to $1,715 NZD

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
$312 NZD