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Radiant|Lab Grown|IGI

4.51ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG801634660

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

Certificate IGI LG801634660

Diamond specifications and retailer prices

From $2,067 NZD
HK$9,100 HKD
As of November 1, 2026
Save $3,167 NZD (61%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,234 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.51ct lab-grown radiant diamond

This 4.51ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801634660 or 801634660. Listed at 2 retailers as of October 28, 2026, with prices from $2,067 to $5,234, a $3,167 spread on the same certified stone. Rare Carat lists it at $5,234. 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

4.51
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801634660
Dimensions11.89 × 7.99 × 5.51 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm7.99 mm4.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801634660
Side View
Table 67.0%Crown 44.9°Girdle: MediumPavilion 35.9°Culet: NoneDepth 69.0%

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 1
Current: $5,234 NZD|Low: $1,535 NZD|High: $10,114 NZD|Avg: $3,780 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
October 28, 2026
Retailer 8$1,535 NZD
Retailer 7$2,028 NZD
Retailer 2$2,067 NZD
Retailer 6$2,115 NZD
Retailer 5$2,280 NZD
Retailer 10$2,438 NZD
Retailer 4$3,254 NZD
Retailer 9$4,218 NZD
Retailer 12$5,000 NZD
Retailer 11$5,224 NZD
Rare Carat$5,234 NZD
Retailer 3$10,114 NZD

6 data points across 12 retailers

2 retailers$2,067 NZD to $5,234 NZD

A
Cheapest Retailer
-
$2,067 NZD
HK$9,100 HKD
Most Expensive
B
Rare Carat
DV6B-01B · Oct 28
$5,234 NZD
$2,950 USD
View
1 more retailer has this diamond
Prices start from $2,067 NZDSave up to $3,167 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
4.51ct Radiant
$2,067 NZD