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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 $449 NZD
As of November 4, 2026
Save $3,418 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,867 NZD 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 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 November 4, 2026, with prices from $449 to $3,867, a $3,418 spread on the same certified stone. Do Amore Diamonds lists it at $3,867. 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

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: $1,038 NZD|Low: $449 NZD|High: $3,601 NZD|Avg: $1,424 NZD|+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
November 5, 2026
Retailer 4$449 NZD
Retailer 13$669 NZD
Retailer 9$949 NZD
Retailer 1$1,038 NZD
Retailer 3$1,064 NZD
Retailer 5$1,148 NZD
Retailer 7$1,346 NZD
Retailer 12$1,609 NZD
Retailer 11$1,916 NZD
Retailer 10$2,072 NZD
Retailer 8$2,175 NZD
Retailer 6$2,200 NZD
Retailer 2$3,495 NZD

44 data points across 13 retailers

21 retailers$449 NZD to $3,867 NZD

Retailer 1
-
$403 NZD
Price last confirmed 19 days ago
A
Retailer 2
-
$449 NZD
View
Final sale: no returns
Retailer 3
-
$467 NZD
View
Price last confirmed 22 days ago
Retailer 4
-
$498 NZD
View
Price last confirmed 20 days ago
Retailer 5
-
$498 NZD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$669 NZD
View
A
Retailer 7
-
$898 NZD
View
A
Retailer 8
-
$949 NZD
View
B+
Retailer 9
-
$1,038 NZD
View
B+
Retailer 10
-
$1,064 NZD
View
B+
Retailer 11
-
$1,148 NZD
View
B+
Retailer 12
-
$1,346 NZD
View
B+
Retailer 13
-
$1,609 NZD
View
Retailer 14
-
$1,769 NZD
View
Price last confirmed 20 days ago
Retailer 15
-
$1,916 NZD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$2,072 NZD
View
B
Retailer 17
-
$2,072 NZD
View
B
Retailer 18
-
$2,175 NZD
View
B
Retailer 19
-
$2,200 NZD
View
B
Retailer 20
-
$2,265 NZD
View
Most Expensive
B
Do Amore Diamonds
27-0CFF8A523 · Nov 4
$3,867 NZD
$2,180 USD
View
20 more retailers have this diamond
Prices start from $449 NZDSave up to $3,418 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
$449 NZD