Radiant|Lab Grown|IGI

5.20ct H VVS1 Radiant Lab Grown Diamond

ID • H/VVS1 • IGI LG836623778

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

Certificate IGI LG836623778

Diamond specifications and retailer prices

From $1,829 NZD
$1,029 USD
As of November 1, 2026
Save $8,648 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,477 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 5.2ct lab-grown radiant diamond

This 5.2ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836623778 or 836623778. Listed at 14 retailers as of November 1, 2026, with prices from $1,829 to $10,477, a $8,648 spread on the same certified stone. Rare Carat lists it at $10,477. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.20
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836623778
Dimensions13.10 × 8.18 × 5.54 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.10 mm8.18 mm5.20 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836623778
Side View
Table 65.0%Crown 41.4°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 67.7%

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 1
Current: $10,477 NZD|Low: $1,829 NZD|High: $10,584 NZD|Avg: $4,878 NZD|-1.0%
Rare Carat
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 2, 2026
Retailer 13$1,829 NZD
Retailer 10$2,009 NZD
Retailer 3$2,204 NZD
Retailer 9$2,701 NZD
Retailer 8$2,863 NZD
Retailer 5$3,839 NZD
Retailer 6$3,865 NZD
Retailer 7$4,196 NZD
Retailer 12$5,201 NZD
Retailer 14$6,424 NZD
Retailer 2$6,446 NZD
Retailer 4$6,585 NZD
Retailer 11$7,370 NZD
Rare Carat$10,477 NZD

37 data points across 14 retailers

14 retailers$1,829 NZD to $10,477 NZD

A
Cheapest Retailer
-
$1,829 NZD
$1,029 USD
Final sale: no returns
A
Retailer 2
-
$2,009 NZD
£890 GBP
View
A
Retailer 3
-
$2,204 NZD
$1,240 USD
View
B+
Retailer 4
-
$2,701 NZD
$1,520 USD
View
A
Retailer 5
-
$2,863 NZD
€1,534 EUR
View
B+
Retailer 6
-
$3,839 NZD
A$3,323 AUD
View
B+
Retailer 7
-
$3,865 NZD
ZAR 35,132 ZAR
View
B+
Retailer 8
-
$4,196 NZD
$2,361 USD
View
B+
Retailer 9
-
$5,201 NZD
£2,304 GBP
View
B+
Retailer 10
-
$6,424 NZD
£2,846 GBP
View
B+
Retailer 11
-
$6,446 NZD
$3,627 USD
View
B+
Retailer 12
-
$6,585 NZD
$3,705 USD
View
B
Retailer 13
-
$7,370 NZD
SGD 5,604 SGD
View
Most Expensive
B
Rare Carat
CN280-24A · Nov 1
$10,477 NZD
$5,895 USD
View
13 more retailers have this diamond
Prices start from $1,829 NZDSave up to $8,648 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
5.20ct Radiant
$1,829 NZD