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 $1,165 USD
HK$9,100 HKD
As of October 31, 2026
Save $1,785 USD (61%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,950 USD 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 $1,165 to $2,950, a $1,785 spread on the same certified stone. Rare Carat lists it at $2,950. 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
Color
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: Oct 31
Current: $2,950 USD|Low: $865 USD|High: $5,700 USD|Avg: $2,131 USD|-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$865 USD
Retailer 7$1,143 USD
Retailer 2$1,165 USD
Retailer 6$1,192 USD
Retailer 5$1,285 USD
Retailer 10$1,374 USD
Retailer 4$1,834 USD
Retailer 9$2,377 USD
Retailer 12$2,818 USD
Retailer 11$2,944 USD
Rare Carat$2,950 USD
Retailer 3$5,700 USD

6 data points across 12 retailers

2 retailers$1,165 USD to $2,950 USD

A
Cheapest Retailer
-
$1,165 USD
HK$9,100 HKD
Most Expensive
B
Rare Carat
DV6B-01B · Oct 28
$2,950 USD
View
1 more retailer has this diamond
Prices start from $1,165 USDSave up to $1,785 USD

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
$1,165 USD