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Oval|Lab Grown|IGI

3.97ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG787641744

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787641744

Diamond specifications and retailer prices

From $568 USD
As of October 29, 2026
Save $8,562 USD (94%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,130 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.97ct lab-grown oval diamond

This 3.97ct lab-grown oval 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 LG787641744 or 787641744. Listed at 19 retailers as of October 29, 2026, with prices from $568 to $9,130, a $8,562 spread on the same certified stone. Brilliant Earth lists it at $9,130. 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

3.97
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787641744
Dimensions13.11 × 8.76 × 0.00 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.11 mm8.76 mm3.97 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787641744
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $9,130 USD|Low: $490 USD|High: $9,910 USD|Avg: $2,974 USD|-7.9%
Brilliant Earth
Retailer 2
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Retailer 20
October 23, 2026
Retailer 17$568 USD
Retailer 9$636 USD
Retailer 11$636 USD
Retailer 13$800 USD
Retailer 20$977 USD
Retailer 2$1,179 USD
Retailer 19$1,553 USD
Retailer 14$1,653 USD
Retailer 15$1,748 USD
Retailer 8$2,046 USD
Retailer 3$2,436 USD
Retailer 6$2,774 USD
Retailer 18$2,946 USD
Retailer 16$3,081 USD
Retailer 4$3,419 USD
Retailer 12$4,040 USD
Retailer 5$4,636 USD
Retailer 10$5,050 USD
Retailer 7$8,266 USD
Brilliant Earth$9,130 USD

29 data points across 20 retailers

19 retailers$568 USD to $9,130 USD

A
Cheapest Retailer
-
$568 USD
A
Retailer 2
-
$636 USD
View
Final sale: no returns
A
Retailer 3
-
$636 USD
View
A
Retailer 4
-
$800 USD
View
B+
Retailer 5
-
$977 USD
View
A
Retailer 6
-
$1,179 USD
€1,123 EUR
View
A
Retailer 7
-
$1,553 USD
View
Retailer 8
-
$1,653 USD
A$2,543 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,748 USD
View
B+
Retailer 10
-
$2,046 USD
View
B+
Retailer 11
-
$2,436 USD
View
B+
Retailer 12
-
$2,774 USD
SGD 3,749 SGD
View
Retailer 13
-
$2,946 USD
A$4,532 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
$3,081 USD
£2,426 GBP
View
B
Retailer 15
-
$3,419 USD
View
B
Retailer 16
-
$4,636 USD
View
B
Retailer 17
-
$5,050 USD
View
B
Retailer 18
-
$8,266 USD
View
Most Expensive
B
Brilliant Earth
21429453Y · Oct 29
$9,130 USD
View
18 more retailers have this diamond
Prices start from $568 USDSave up to $8,562 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
3.97ct Oval
$568 USD