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Oval|Lab Grown|IGI

3.89ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG788660726

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788660726

Diamond specifications and retailer prices

From $730 USD
As of October 31, 2026
Save $6,690 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,420 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.89ct lab-grown oval diamond

This 3.89ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788660726 or 788660726. Listed at 15 retailers as of October 29, 2026, with prices from $730 to $7,420, a $6,690 spread on the same certified stone. Brilliant Earth lists it at $7,420. 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

3.89
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788660726
Dimensions12.71 × 8.88 × 5.43 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.71 mm8.88 mm3.89 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788660726
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

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: $7,420 USD|Low: $730 USD|High: $7,420 USD|Avg: $1,996 USD|+75.4%
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
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 31, 2026
Retailer 12$730 USD
Retailer 3$794 USD
Retailer 6$810 USD
Retailer 10$909 USD
Retailer 2$984 USD
Retailer 15$1,041 USD
Retailer 8$1,056 USD
Retailer 18$1,304 USD
Retailer 13$1,427 USD
Retailer 5$1,506 USD
Retailer 17$1,645 USD
Retailer 9$2,035 USD
Retailer 11$2,653 USD
Retailer 14$2,835 USD
Retailer 7$3,180 USD
Retailer 4$3,856 USD
Retailer 16$4,380 USD
Brilliant Earth$7,420 USD

17 data points across 18 retailers

15 retailers$730 USD to $7,420 USD

A
Cheapest Retailer
-
$730 USD
A
Retailer 2
-
$794 USD
View
B+
Retailer 3
-
$810 USD
View
A
Retailer 4
-
$937 USD
View
Retailer 5
-
$984 USD
€937 EUR
View
A
Retailer 6
-
$1,304 USD
View
B+
Retailer 7
-
$1,427 USD
A$2,195 AUD
View
B+
Retailer 8
-
$1,506 USD
View
B+
Retailer 9
-
$1,645 USD
View
B
Retailer 10
-
$2,653 USD
A$4,081 AUD
View
B
Retailer 11
-
$2,835 USD
£2,232 GBP
View
Retailer 12
-
$3,180 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$3,856 USD
View
B
Retailer 14
-
$4,380 USD
View
Most Expensive
B
Brilliant Earth
22276869A · Oct 29
$7,420 USD
View
14 more retailers have this diamond
Prices start from $730 USDSave up to $6,690 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
3.89ct Oval
$730 USD