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Oval|Lab Grown|IGI

1.51ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG818625504

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818625504

Diamond specifications and retailer prices

From $293 AUD
$206 USD
As of November 1, 2026
Save $1,166 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,459 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818625504 or 818625504. Listed at 15 retailers as of November 1, 2026, with prices from $293 to $1,459, a $1,166 spread on the same certified stone. MOH London lists it at $1,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818625504
Dimensions9.11 × 6.52 × 3.83 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.11 mm6.52 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG818625504
Side View
Table 63.0%Crown 34.9°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 58.7%

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: Nov 1
Current: $1,459 AUD|Low: $282 AUD|High: $2,363 AUD|Avg: $832 AUD
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
November 1, 2026
Retailer 11$293 AUD
Retailer 12$329 AUD
Retailer 3$340 AUD
Retailer 6$364 AUD
Retailer 13$364 AUD
Retailer 9$489 AUD
Retailer 2$629 AUD
Retailer 14$629 AUD
Retailer 5$700 AUD
Retailer 4$836 AUD
Retailer 15$1,170 AUD
Retailer 10$1,174 AUD
Retailer 7$1,247 AUD
Retailer 8$1,452 AUD
MOH London$1,459 AUD

28 data points across 15 retailers

15 retailers$293 AUD to $1,459 AUD

A
Cheapest Retailer
-
$293 AUD
$206 USD
A
Retailer 2
-
$329 AUD
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$340 AUD
$239 USD
View
A
Retailer 4
-
$364 AUD
$256 USD
View
Retailer 5
-
$364 AUD
$256 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$489 AUD
£270 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$629 AUD
ZAR 7,136 ZAR
View
B+
Retailer 8
-
$629 AUD
$442 USD
View
A
Retailer 9
-
$700 AUD
$492 USD
View
B+
Retailer 10
-
$836 AUD
$587 USD
View
B+
Retailer 11
-
$1,170 AUD
$822 USD
View
B
Retailer 12
-
$1,174 AUD
$825 USD
View
B
Retailer 13
-
$1,247 AUD
$876 USD
View
B
Retailer 14
-
$1,452 AUD
$1,020 USD
View
Most Expensive
B
MOH London
LG818625504 · Nov 1
$1,459 AUD
£807 GBP
View
14 more retailers have this diamond
Prices start from $293 AUDSave up to $1,166 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
1.51ct Oval
$293 AUD