Radiant|Lab Grown|IGI

3.92ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG771653527

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

Certificate IGI LG771653527

Diamond specifications and retailer prices

From $646 USD
As of October 29, 2026
Save $4,757 USD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,403 USD at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 3.92ct lab-grown radiant diamond

This 3.92ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG771653527 or 771653527. Listed at 6 retailers as of October 27, 2026, with prices from $646 to $5,403, a $4,757 spread on the same certified stone. Frank Darling lists it at $5,403. 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

3.92
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771653527
Dimensions7.84 × 7.84 × 11.36 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.84 mm7.84 mm3.92 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771653527
Side View
Table 67.0%Crown 47.2°Girdle: MediumPavilion 35.7°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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 29
Current: $5,403 USD|Low: $390 USD|High: $5,404 USD|Avg: $2,074 USD|-0.0%
Frank Darling
Retailer 2
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Retailer 16
October 27, 2026
Retailer 5$390 USD
Retailer 2$646 USD
Retailer 14$805 USD
Retailer 9$892 USD
Retailer 15$947 USD
Retailer 12$1,129 USD
Retailer 10$1,303 USD
Retailer 6$1,598 USD
Retailer 16$2,051 USD
Retailer 3$2,181 USD
Retailer 4$2,284 USD
Retailer 11$2,398 USD
Retailer 7$3,125 USD
Retailer 8$4,319 USD
Retailer 13$4,800 USD
Frank Darling$5,403 USD

19 data points across 16 retailers

6 retailers$646 USD to $5,403 USD

A
Cheapest Retailer
-
$646 USD
Final sale: no returns
B+
Retailer 2
-
$892 USD
View
Retailer 3
-
$1,303 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$2,398 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$3,125 USD
A$4,807 AUD
View
Price last confirmed 118 days ago
Most Expensive
B
Frank Darling
100757865209KD · Oct 27
$5,403 USD
View
5 more retailers have this diamond
Prices start from $646 USDSave up to $4,757 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
3.92ct Radiant
$646 USD