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Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG639439366

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

Certificate IGI LG639439366

Diamond specifications and retailer prices

From $294 AUD
As of November 4, 2026
Save $2,529 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,822 AUD 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639439366 or 639439366. Listed at 16 retailers as of November 4, 2026, with prices from $294 to $2,822, a $2,529 spread on the same certified stone. Do Amore Diamonds lists it at $2,822. 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639439366
Dimensions7.83 × 5.32 × 3.62 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639439366
Side View
Table 63.0%Crown 35.9°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.0%

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: $479 AUD|Low: $282 AUD|High: $1,629 AUD|Avg: $786 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 10$294 AUD
Retailer 3$341 AUD
Retailer 4$364 AUD
Retailer 11$364 AUD
Retailer 1$479 AUD
Retailer 2$630 AUD
Retailer 6$743 AUD
Retailer 5$798 AUD
Retailer 8$1,175 AUD
Retailer 12$1,292 AUD
Retailer 9$1,564 AUD
Retailer 7$1,618 AUD

43 data points across 12 retailers

16 retailers$294 AUD to $2,822 AUD

A
Cheapest Retailer
-
$294 AUD
A
Retailer 2
-
$341 AUD
View
Retailer 3
-
$364 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$364 AUD
View
A
Retailer 5
-
$479 AUD
View
A
Retailer 6
-
$552 AUD
View
A
Retailer 7
-
$630 AUD
View
B+
Retailer 8
-
$743 AUD
View
B+
Retailer 9
-
$798 AUD
View
B
Retailer 10
-
$1,081 AUD
View
B
Retailer 11
-
$1,175 AUD
View
B
Retailer 12
-
$1,292 AUD
View
Retailer 13
-
$1,537 AUD
View
Price last confirmed 17 days ago
B
Retailer 14
-
$1,564 AUD
View
B
Retailer 15
-
$1,618 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8748EB599 · Nov 4
$2,822 AUD
$1,980 USD
View
15 more retailers have this diamond
Prices start from $294 AUDSave up to $2,529 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
$294 AUD