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Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG781631464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631464

Diamond specifications and retailer prices

From $284 AUD
$199 USD
As of November 1, 2026
Save $1,361 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,645 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781631464 or 781631464. Listed at 22 retailers as of November 1, 2026, with prices from $284 to $1,645, a $1,361 spread on the same certified stone. MOH London lists it at $1,645. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631464
Dimensions7.49 × 7.42 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm7.42 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631464
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.7%

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: $1,645 AUD|Low: $284 AUD|High: $1,703 AUD|Avg: $816 AUD|-3.4%
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
November 2, 2026
Retailer 7$284 AUD
Retailer 3$318 AUD
Retailer 18$330 AUD
Retailer 15$352 AUD
Retailer 8$354 AUD
Retailer 13$607 AUD
Retailer 4$611 AUD
Retailer 12$643 AUD
Retailer 9$676 AUD
Retailer 11$820 AUD
Retailer 17$828 AUD
Retailer 2$919 AUD
Retailer 16$1,132 AUD
Retailer 5$1,145 AUD
Retailer 6$1,207 AUD
Retailer 10$1,384 AUD
Retailer 14$1,433 AUD
MOH London$1,645 AUD

30 data points across 18 retailers

22 retailers$284 AUD to $1,645 AUD

A
Cheapest Retailer
-
$284 AUD
$199 USD
Retailer 2
-
$284 AUD
$199 USD
View
Price last confirmed 45 days ago
A
Retailer 3
-
$318 AUD
$223 USD
View
Final sale: no returns
A
Retailer 4
-
$330 AUD
$231 USD
View
Retailer 5
-
$347 AUD
$243 USD
View
Price last confirmed 44 days ago
A
Retailer 6
-
$352 AUD
$247 USD
View
Retailer 7
-
$354 AUD
$248 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$607 AUD
ZAR 6,877 ZAR
View
B+
Retailer 9
-
$611 AUD
$428 USD
View
A
Retailer 10
-
$643 AUD
£355 GBP
View
A
Retailer 11
-
$676 AUD
$474 USD
View
A
Retailer 12
-
$820 AUD
View
A
Retailer 13
-
$828 AUD
$580 USD
View
B+
Retailer 14
-
$919 AUD
$644 USD
View
Retailer 15
-
$1,132 AUD
$793 USD
View
Price last confirmed 42 days ago
B+
Retailer 16
-
$1,132 AUD
$793 USD
View
Retailer 17
-
$1,134 AUD
$795 USD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$1,145 AUD
SGD 1,084 SGD
View
B+
Retailer 19
-
$1,207 AUD
$846 USD
View
B
Retailer 20
-
$1,384 AUD
$970 USD
View
B
Retailer 21
-
$1,433 AUD
$1,004 USD
View
Most Expensive
B
MOH London
LG781631464 · Nov 1
$1,645 AUD
£908 GBP
View
21 more retailers have this diamond
Prices start from $284 AUDSave up to $1,361 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 Round
$284 AUD