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Oval|Lab Grown|IGI

0.51ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG826679903

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG826679903

Diamond specifications and retailer prices

From $204 AUD
$143 USD
As of October 30, 2026
Save $1,695 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,898 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826679903 or 826679903. Listed at 17 retailers as of October 29, 2026, with prices from $204 to $1,898, a $1,695 spread on the same certified stone. MOH London lists it at $1,898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826679903
Dimensions6.07 × 4.37 × 2.55 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.07 mm4.37 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG826679903
Side View
Table 64.0%Crown 34.1°Girdle: THK-VTKPavilion 30.8°Culet: NoneDepth 58.4%

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 30
Current: $1,898 AUD|Low: $204 AUD|High: $1,898 AUD|Avg: $800 AUD|+21.7%
MOH London
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
October 31, 2026
Retailer 15$204 AUD
Retailer 14$255 AUD
Retailer 6$315 AUD
Retailer 18$327 AUD
Retailer 9$364 AUD
Retailer 7$389 AUD
Retailer 8$389 AUD
Retailer 3$415 AUD
Retailer 11$433 AUD
Retailer 17$527 AUD
Retailer 5$626 AUD
Retailer 4$693 AUD
Retailer 16$696 AUD
Retailer 2$769 AUD
Retailer 13$807 AUD
Retailer 10$1,251 AUD
Retailer 12$1,373 AUD
MOH London$1,898 AUD

33 data points across 18 retailers

17 retailers$204 AUD to $1,898 AUD

A
Cheapest Retailer
-
$204 AUD
$143 USD
Final sale: no returns
A
Retailer 2
-
$255 AUD
HK$1,400 HKD
View
Retailer 3
-
$315 AUD
$221 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$327 AUD
$230 USD
View
A
Retailer 5
-
$364 AUD
$256 USD
View
A
Retailer 6
-
$389 AUD
$273 USD
View
A
Retailer 7
-
$389 AUD
$273 USD
View
A
Retailer 8
-
$415 AUD
$292 USD
View
A
Retailer 9
-
$433 AUD
$304 USD
View
A
Retailer 10
-
$527 AUD
$370 USD
View
Retailer 11
-
$693 AUD
ZAR 7,863 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$696 AUD
$489 USD
View
B+
Retailer 13
-
$769 AUD
$540 USD
View
B+
Retailer 14
-
$807 AUD
$567 USD
View
B
Retailer 15
-
$1,251 AUD
$879 USD
View
B
Retailer 16
-
$1,373 AUD
$964 USD
View
Most Expensive
B
MOH London
LG826679903 · Oct 29
$1,898 AUD
£1,050 GBP
View
16 more retailers have this diamond
Prices start from $204 AUDSave up to $1,695 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
0.51ct Oval
$204 AUD