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Radiant|Lab Grown|IGI

0.78ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG691551428

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

Certificate IGI LG691551428

Diamond specifications and retailer prices

From $254 NZD
As of November 4, 2026
Save $1,544 NZD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,797 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.78ct lab-grown radiant diamond

This 0.78ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG691551428 or 691551428. Listed at 14 retailers as of November 4, 2026, with prices from $254 to $1,797, a $1,544 spread on the same certified stone. Reve Diamonds lists it at $1,797. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691551428
Dimensions6.47 × 4.74 × 2.95 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.47 mm4.74 mm0.78 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691551428
Side View
Table 66.0%Crown 40.6°Girdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

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: $536 NZD|Low: $254 NZD|High: $1,973 NZD|Avg: $904 NZD|+2.4%
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
Retailer 14
Retailer 15
Reve Diamonds
November 5, 2026
Retailer 9$254 NZD
Retailer 2$284 NZD
Retailer 12$294 NZD
Retailer 10$316 NZD
Retailer 3$362 NZD
Retailer 1$536 NZD
Retailer 11$539 NZD
Retailer 15$550 NZD
Retailer 13$632 NZD
Retailer 6$678 NZD
Retailer 4$867 NZD
Retailer 14$1,112 NZD
Retailer 8$1,471 NZD
Retailer 7$1,644 NZD
Reve Diamonds$1,797 NZD
Retailer 5$1,973 NZD

12 data points across 16 retailers

14 retailers$254 NZD to $1,797 NZD

A
Cheapest Retailer
-
$254 NZD
A
Retailer 2
-
$284 NZD
View
Final sale: no returns
A
Retailer 3
-
$294 NZD
View
A
Retailer 4
-
$316 NZD
View
A
Retailer 5
-
$362 NZD
View
A
Retailer 6
-
$536 NZD
View
A
Retailer 7
-
$539 NZD
View
A
Retailer 8
-
$550 NZD
View
B+
Retailer 9
-
$632 NZD
View
B+
Retailer 10
-
$867 NZD
View
B
Retailer 11
-
$1,112 NZD
View
B
Retailer 12
-
$1,419 NZD
View
B
Retailer 13
-
$1,471 NZD
View
Most Expensive
B
Reve Diamonds
1C6469075 · Nov 4
$1,797 NZD
$1,013 USD
View
13 more retailers have this diamond
Prices start from $254 NZDSave up to $1,544 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
0.78ct Radiant
$254 NZD