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Oval|Lab Grown|IGI

1.55ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG818664311

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818664311

Diamond specifications and retailer prices

From $328 AUD
$230 USD
As of November 1, 2026
Save $1,306 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,635 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.55ct lab-grown oval diamond

This 1.55ct 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 LG818664311 or 818664311. Listed at 16 retailers as of November 1, 2026, with prices from $328 to $1,635, a $1,306 spread on the same certified stone. MOH London lists it at $1,635. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818664311
Dimensions9.65 × 6.44 × 3.97 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm6.44 mm1.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818664311
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

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: $1,635 AUD|Low: $310 AUD|High: $1,636 AUD|Avg: $904 AUD|+3.7%
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
November 2, 2026
Retailer 7$328 AUD
Retailer 4$368 AUD
Retailer 8$381 AUD
Retailer 13$408 AUD
Retailer 14$408 AUD
Retailer 12$691 AUD
Retailer 10$704 AUD
Retailer 16$745 AUD
Retailer 2$953 AUD
Retailer 9$1,094 AUD
Retailer 15$1,311 AUD
Retailer 5$1,319 AUD
Retailer 6$1,363 AUD
Retailer 3$1,385 AUD
Retailer 11$1,598 AUD
MOH London$1,635 AUD

38 data points across 16 retailers

16 retailers$328 AUD to $1,635 AUD

A
Cheapest Retailer
-
$328 AUD
$230 USD
A
Retailer 2
-
$368 AUD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$381 AUD
$267 USD
View
A
Retailer 4
-
$408 AUD
$286 USD
View
Retailer 5
-
$408 AUD
$286 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$691 AUD
$484 USD
View
A
Retailer 7
-
$704 AUD
ZAR 7,970 ZAR
View
A
Retailer 8
-
$745 AUD
$522 USD
View
B+
Retailer 9
-
$953 AUD
View
B
Retailer 10
-
$1,094 AUD
$767 USD
View
B+
Retailer 11
-
$1,311 AUD
$919 USD
View
B+
Retailer 12
-
$1,319 AUD
SGD 1,249 SGD
View
Retailer 13
-
$1,363 AUD
$955 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$1,385 AUD
$971 USD
View
B
Retailer 15
-
$1,598 AUD
$1,120 USD
View
Most Expensive
B
MOH London
LG818664311 · Nov 2
$1,635 AUD
£902 GBP
View
15 more retailers have this diamond
Prices start from $328 AUDSave up to $1,306 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
1.55ct Oval
$328 AUD