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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 $251 AUD
As of November 4, 2026
Save $1,378 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,629 AUD 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 $251 to $1,629, a $1,378 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,629. 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: $1,629 AUD|Low: $228 AUD|High: $1,629 AUD|Avg: $713 AUD
Flawless Fine Jewelry
Retailer 2
Retailer 3
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Retailer 5
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Retailer 21
November 4, 2026
Retailer 6$251 AUD
Retailer 13$279 AUD
Retailer 21$291 AUD
Retailer 14$295 AUD
Retailer 10$312 AUD
Retailer 20$523 AUD
Retailer 17$537 AUD
Retailer 2$553 AUD
Retailer 7$553 AUD
Retailer 3$710 AUD
Retailer 16$760 AUD
Retailer 4$775 AUD
Retailer 15$807 AUD
Retailer 11$937 AUD
Retailer 12$955 AUD
Retailer 19$1,001 AUD
Retailer 9$1,078 AUD
Retailer 5$1,140 AUD
Retailer 18$1,455 AUD
Retailer 8$1,592 AUD
Flawless Fine Jewelry$1,629 AUD

35 data points across 21 retailers

22 retailers$251 AUD to $1,629 AUD

A
Cheapest Retailer
-
$251 AUD
A
Retailer 2
-
$279 AUD
View
Final sale: no returns
A
Retailer 3
-
$291 AUD
View
Retailer 4
-
$295 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$312 AUD
View
A
Retailer 6
-
$523 AUD
View
A
Retailer 7
-
$537 AUD
View
A
Retailer 8
-
$553 AUD
View
A
Retailer 9
-
$553 AUD
View
B+
Retailer 10
-
$710 AUD
View
B+
Retailer 11
-
$760 AUD
View
B+
Retailer 12
-
$775 AUD
View
B+
Retailer 13
-
$807 AUD
View
Retailer 14
-
$937 AUD
View
Price last confirmed 8 days ago
Retailer 15
-
$955 AUD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$1,001 AUD
View
B
Retailer 17
-
$1,078 AUD
View
B+
Retailer 18
-
$1,082 AUD
View
B
Retailer 19
-
$1,140 AUD
View
B
Retailer 20
-
$1,455 AUD
View
B
Retailer 21
-
$1,592 AUD
View
Most Expensive
B
Flawless Fine Jewelry
4D3D5D2AF · Nov 4
$1,629 AUD
£900 GBP
View
21 more retailers have this diamond
Prices start from $251 AUDSave up to $1,378 AUD

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
$251 AUD