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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG805626650

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

Certificate IGI LG805626650

Diamond specifications and retailer prices

From $360 AUD
$253 USD
As of October 30, 2026
Save $2,743 AUD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,103 AUD at Do Amore Diamonds · As of October 31, 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 LG805626650 or 805626650. Listed at 21 retailers as of October 30, 2026, with prices from $360 to $3,103, a $2,743 spread on the same certified stone. Do Amore Diamonds lists it at $3,103. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805626650
Dimensions7.76 × 5.46 × 3.61 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.46 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805626650
Side View
Table 63.0%Crown 29.5°Girdle: MediumPavilion 34.4°Culet: NoneDepth 66.1%

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: Oct 30
Current: $834 AUD|Low: $360 AUD|High: $2,890 AUD|Avg: $1,114 AUD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4$360 AUD
Retailer 13$537 AUD
Retailer 9$747 AUD
Retailer 7$759 AUD
Retailer 1$834 AUD
Retailer 3$854 AUD
Retailer 5$922 AUD
Retailer 8$1,075 AUD
Retailer 12$1,291 AUD
Retailer 11$1,537 AUD
Retailer 10$1,663 AUD
Retailer 6$1,779 AUD
Retailer 2$2,804 AUD

44 data points across 13 retailers

21 retailers$360 AUD to $3,103 AUD

Retailer 1
-
$323 AUD
$227 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$360 AUD
$253 USD
View
Final sale: no returns
Retailer 3
-
$374 AUD
$263 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$400 AUD
$281 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$400 AUD
$281 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$537 AUD
$377 USD
View
A
Retailer 7
-
$720 AUD
$506 USD
View
A
Retailer 8
-
$747 AUD
$525 USD
View
A
Retailer 9
-
$759 AUD
ZAR 8,613 ZAR
View
B+
Retailer 10
-
$834 AUD
£461 GBP
View
B+
Retailer 11
-
$854 AUD
$600 USD
View
B+
Retailer 12
-
$922 AUD
$648 USD
View
B+
Retailer 13
-
$1,075 AUD
View
B+
Retailer 14
-
$1,291 AUD
$907 USD
View
Retailer 15
-
$1,419 AUD
$997 USD
View
Price last confirmed 15 days ago
Retailer 16
-
$1,537 AUD
$1,080 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
$1,663 AUD
$1,168 USD
View
B
Retailer 18
-
$1,663 AUD
$1,168 USD
View
B
Retailer 19
-
$1,779 AUD
£984 GBP
View
B
Retailer 20
-
$1,819 AUD
$1,278 USD
View
Most Expensive
B
Do Amore Diamonds
27-0CFF8A523 · Oct 31
$3,103 AUD
$2,180 USD
View
20 more retailers have this diamond
Prices start from $360 AUDSave up to $2,743 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
$360 AUD