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Radiant|Lab Grown|IGI

3.90ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG768615935

Certificate IGI LG768615935

Diamond specifications and retailer prices

From $575 USD
Save $4,275 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,850 USD at Brilliant Earth
View at Brilliant Earth

About this 3.9ct lab-grown radiant diamond

This 3.9ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768615935 or 768615935. Listed at 12 retailers, with prices from $575 to $4,850 at Brilliant Earth, a $4,275 spread on the same certified stone. 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

3.90
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768615935
Dimensions7.80 × 7.80 × 11.15 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.80 mm7.80 mm3.90 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768615935
Side View
Table 66.0%Crown 42.3°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,850 USD|Low: $396 USD|High: $6,230 USD|Avg: $2,031 USD|-14.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
September 29, 2026
Retailer 6$575 USD
Retailer 9$730 USD
Retailer 8$913 USD
Retailer 13$954 USD
Retailer 2$1,036 USD
Retailer 3$1,529 USD
Retailer 11$1,879 USD
Retailer 10$2,051 USD
Retailer 12$2,177 USD
Retailer 4$2,501 USD
Retailer 5$2,817 USD
Retailer 7$3,755 USD
Brilliant Earth$4,850 USD

40 data points across 13 retailers

12 retailers$575 USD to $4,850 USD

A
Cheapest Retailer
-
$575 USD
A
Retailer 2
-
$730 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$913 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$954 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,039 USD
£818 GBP
View
A
Retailer 6
-
$1,529 USD
View
Price last confirmed 45 days ago
B+
Retailer 7
-
$1,879 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$2,051 USD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$2,177 USD
View
Price last confirmed 20 days ago
B
Retailer 10
-
$2,817 USD
A$4,334 AUD
View
Price last confirmed 89 days ago
B
Retailer 11
-
$3,755 USD
View
Most Expensive
B
Brilliant Earth
17694832A · Sep 30
$4,850 USD
View
11 more retailers have this diamond
Prices start from $575 USDSave up to $4,275 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.

A
3.90ct Radiant
$575 USD