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Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG813688755

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813688755

Diamond specifications and retailer prices

From $851 AUD
$598 USD
As of October 29, 2026
Save $5,644 AUD (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,495 AUD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.91ct lab-grown oval diamond

This 3.91ct 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 LG813688755 or 813688755. Listed at 7 retailers as of October 29, 2026, with prices from $851 to $6,495, a $5,644 spread on the same certified stone. Frank Darling lists it at $6,495. 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

3.91
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813688755
Dimensions12.62 × 8.92 × 5.53 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.62 mm8.92 mm3.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813688755
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: $6,495 AUD|Low: $599 AUD|High: $6,662 AUD|Avg: $2,511 AUD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 2$851 AUD
Retailer 10$929 AUD
Retailer 13$1,124 AUD
Retailer 7$1,184 AUD
Retailer 5$1,328 AUD
Retailer 11$1,566 AUD
Retailer 9$1,739 AUD
Retailer 4$2,109 AUD
Retailer 3$2,222 AUD
Retailer 8$3,228 AUD
Retailer 6$5,025 AUD
Frank Darling$6,495 AUD
Retailer 12$6,662 AUD

22 data points across 13 retailers

7 retailers$851 AUD to $6,495 AUD

A
Cheapest Retailer
-
$851 AUD
$598 USD
Final sale: no returns
B+
Retailer 2
-
$1,184 AUD
$832 USD
View
Retailer 3
-
$1,739 AUD
$1,222 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$2,222 AUD
$1,561 USD
View
Price last confirmed 43 days ago
Retailer 5
-
$3,228 AUD
$2,268 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$5,025 AUD
$3,530 USD
View
Most Expensive
B
Frank Darling
100767817846KD · Oct 29
$6,495 AUD
$4,563 USD
View
6 more retailers have this diamond
Prices start from $851 AUDSave up to $5,644 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
3.91ct Oval
$851 AUD