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Oval|Lab Grown|IGI

3.51ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG843624109

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843624109

Diamond specifications and retailer prices

From $1,008 AUD
$708 USD
As of October 30, 2026
Save $4,644 AUD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,652 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown oval diamond

This 3.51ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843624109 or 843624109. Listed at 6 retailers as of October 30, 2026, with prices from $1,008 to $5,652, a $4,644 spread on the same certified stone. Brilliant Earth lists it at $5,652. 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

3.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843624109
Dimensions12.83 × 8.41 × 5.18 mm
L/W Ratio1.53
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.83 mm8.41 mm3.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843624109
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

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 30
Current: $5,652 AUD|Low: $1,008 AUD|High: $5,652 AUD|Avg: $1,875 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$1,008 AUD
Retailer 2$1,196 AUD
Retailer 6$1,750 AUD
Retailer 5$2,461 AUD
Retailer 3$2,773 AUD
Brilliant Earth$5,652 AUD

12 data points across 6 retailers

6 retailers$1,008 AUD to $5,652 AUD

B+
Cheapest Retailer
-
$1,008 AUD
$708 USD
A
Retailer 2
-
$1,196 AUD
€800 EUR
View
A
Retailer 3
-
$1,750 AUD
$1,229 USD
View
B+
Retailer 4
-
$2,461 AUD
$1,729 USD
View
B+
Retailer 5
-
$2,773 AUD
£1,534 GBP
View
Most Expensive
B
Brilliant Earth
22294100A · Oct 31
$5,652 AUD
$3,970 USD
View
5 more retailers have this diamond
Prices start from $1,008 AUDSave up to $4,644 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
3.51ct Oval
$1,008 AUD