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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 $809 AUD
$568 USD
As of October 29, 2026
Save $12,189 AUD (94%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,997 AUD 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 $809 to $12,997, a $12,189 spread on the same certified stone. Brilliant Earth lists it at $12,997. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $12,997 AUD|Low: $698 AUD|High: $14,108 AUD|Avg: $4,229 AUD|-7.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 17$809 AUD
Retailer 9$905 AUD
Retailer 11$905 AUD
Retailer 14$1,139 AUD
Retailer 20$1,391 AUD
Retailer 13$1,679 AUD
Retailer 19$2,211 AUD
Retailer 2$2,339 AUD
Retailer 15$2,488 AUD
Retailer 8$2,913 AUD
Retailer 3$3,468 AUD
Retailer 6$3,949 AUD
Retailer 18$4,194 AUD
Retailer 16$4,386 AUD
Retailer 4$4,867 AUD
Retailer 12$5,752 AUD
Retailer 5$6,600 AUD
Retailer 10$7,189 AUD
Retailer 7$11,767 AUD
Brilliant Earth$12,997 AUD

30 data points across 20 retailers

19 retailers$809 AUD to $12,997 AUD

A
Cheapest Retailer
-
$809 AUD
$568 USD
A
Retailer 2
-
$905 AUD
$636 USD
View
Final sale: no returns
A
Retailer 3
-
$905 AUD
$636 USD
View
A
Retailer 4
-
$1,139 AUD
$800 USD
View
B+
Retailer 5
-
$1,391 AUD
$977 USD
View
Retailer 6
-
$1,679 AUD
€1,123 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
$2,211 AUD
$1,553 USD
View
A
Retailer 8
-
$2,339 AUD
View
A
Retailer 9
-
$2,488 AUD
$1,748 USD
View
B+
Retailer 10
-
$2,913 AUD
$2,046 USD
View
B+
Retailer 11
-
$3,468 AUD
$2,436 USD
View
B+
Retailer 12
-
$3,949 AUD
SGD 3,749 SGD
View
Retailer 13
-
$4,194 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
$4,386 AUD
£2,426 GBP
View
B
Retailer 15
-
$4,867 AUD
$3,419 USD
View
B
Retailer 16
-
$6,600 AUD
$4,636 USD
View
B
Retailer 17
-
$7,189 AUD
$5,050 USD
View
B
Retailer 18
-
$11,767 AUD
$8,266 USD
View
Most Expensive
B
Brilliant Earth
21429453Y · Oct 29
$12,997 AUD
$9,130 USD
View
18 more retailers have this diamond
Prices start from $809 AUDSave up to $12,189 AUD

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
$809 AUD