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Radiant|Lab Grown|IGI

0.78ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG647450155

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

Certificate IGI LG647450155

Diamond specifications and retailer prices

From $328 NZD
As of November 4, 2026
Save $1,770 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,158 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 LG647450155 or 647450155. Listed at 22 retailers as of November 4, 2026, with a 539% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.2°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647450155
Dimensions4.47 × 6.27 × 3.32 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.47 mm6.27 mm0.78 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647450155
Side View
Table 71.0%Crown 36.2°Girdle: ThickPavilion 44.3°Culet: NoneDepth 74.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $820 NZD|Low: $316 NZD|High: $2,129 NZD|Avg: $957 NZD|+3.6%
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
November 5, 2026
Retailer 2$328 NZD
Retailer 8$369 NZD
Retailer 3$408 NZD
Retailer 14$408 NZD
Retailer 5$550 NZD
Retailer 4$655 NZD
Retailer 10$818 NZD
Retailer 1$820 NZD
Retailer 12$938 NZD
Retailer 9$1,150 NZD
Retailer 13$1,385 NZD
Retailer 11$1,508 NZD
Retailer 6$1,756 NZD
Retailer 7$2,099 NZD

44 data points across 14 retailers

22 retailers$328 NZD to $2,099 NZD

Retailer 1
-
$328 NZD
Price last confirmed 28 days ago
A
Retailer 2
-
$328 NZD
View
A
Retailer 3
-
$369 NZD
View
Final sale: no returns
Retailer 4
-
$381 NZD
View
Price last confirmed 39 days ago
Retailer 5
-
$408 NZD
View
Price last confirmed 11 days ago
Retailer 6
-
$408 NZD
View
Price last confirmed 33 days ago
A
Retailer 7
-
$429 NZD
View
A
Retailer 8
-
$550 NZD
View
B+
Retailer 9
-
$655 NZD
View
B+
Retailer 10
-
$818 NZD
View
B+
Retailer 11
-
$820 NZD
View
Retailer 12
-
$938 NZD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$1,150 NZD
View
B
Retailer 14
-
$1,385 NZD
View
Retailer 15
-
$1,448 NZD
View
Price last confirmed 36 days ago
B
Retailer 16
-
$1,448 NZD
View
B
Retailer 17
-
$1,508 NZD
View
B
Retailer 18
-
$1,753 NZD
View
B
Retailer 19
-
$1,756 NZD
View
B
Retailer 20
-
$2,037 NZD
View
B
Retailer 21
-
$2,099 NZD
View
Most Expensive
Do Amore Diamonds
27-86C5C1567 · Nov 4
$3,158 NZD
$1,780 USD
View
Price under review
21 more retailers have this diamond
Prices start from $328 NZDSave up to $1,770 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
$328 NZD