Radiant|Lab Grown|IGI

3.90ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG753514124

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

Certificate IGI LG753514124

Diamond specifications and retailer prices

From $643 USD
As of October 29, 2026
Save $4,733 USD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,376 USD at Frank Darling · As of October 24, 2026
View at Frank Darling

About this 3.9ct lab-grown radiant diamond

This 3.9ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG753514124 or 753514124. Listed at 5 retailers as of October 24, 2026, with prices from $643 to $5,376, a $4,733 spread on the same certified stone. Frank Darling lists it at $5,376. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.90
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753514124
Dimensions7.75 × 7.75 × 10.83 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.75 mm7.75 mm3.90 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753514124
Side View
Table 66.0%Crown 44.9°Girdle: MediumPavilion 35°Culet: NoneDepth 68.1%

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: $5,376 USD|Low: $429 USD|High: $5,683 USD|Avg: $2,073 USD|-5.4%
Frank Darling
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 27, 2026
Retailer 5$431 USD
Retailer 2$643 USD
Retailer 12$670 USD
Retailer 8$888 USD
Retailer 4$943 USD
Retailer 11$1,124 USD
Retailer 7$1,591 USD
Retailer 6$1,592 USD
Retailer 15$1,996 USD
Retailer 3$2,257 USD
Retailer 10$2,386 USD
Retailer 13$2,499 USD
Retailer 9$3,725 USD
Retailer 14$4,780 USD
Frank Darling$5,376 USD

18 data points across 15 retailers

5 retailers$643 USD to $5,376 USD

A
Cheapest Retailer
-
$643 USD
Final sale: no returns
B+
Retailer 2
-
$888 USD
View
B+
Retailer 3
-
$2,386 USD
View
Price last confirmed 24 days ago
B
Retailer 4
-
$3,725 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Frank Darling
100743597787KD · Oct 24
$5,376 USD
View
4 more retailers have this diamond
Prices start from $643 USDSave up to $4,733 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
3.90ct Radiant
$643 USD