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Radiant|Lab Grown|IGI

1.55ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG638430064

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG638430064

Diamond specifications and retailer prices

From $307 AUD
$215 USD
As of October 27, 2026
Save $1,448 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,983 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638430064 or 638430064. Listed at 22 retailers as of October 27, 2026, with a 472% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430064
Dimensions8.16 × 5.78 × 3.73 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm5.78 mm1.55 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430064
Side View
Table 64.0%Crown 40.2°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 64.5%

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 27
Current: $1,755 AUD|Low: $304 AUD|High: $1,983 AUD|Avg: $876 AUD|-11.5%
Brilliant Earth
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
Retailer 19
November 2, 2026
Retailer 4$307 AUD
Retailer 16$344 AUD
Retailer 19$357 AUD
Retailer 9$394 AUD
Retailer 11$394 AUD
Retailer 18$514 AUD
Retailer 14$657 AUD
Retailer 12$692 AUD
Retailer 13$706 AUD
Retailer 17$746 AUD
Retailer 3$751 AUD
Retailer 7$889 AUD
Retailer 2$1,002 AUD
Retailer 10$1,264 AUD
Retailer 6$1,300 AUD
Retailer 8$1,363 AUD
Retailer 15$1,526 AUD
Retailer 5$1,550 AUD
Brilliant Earth$1,755 AUD

40 data points across 19 retailers

22 retailers$307 AUD to $1,755 AUD

A
Cheapest Retailer
-
$307 AUD
$215 USD
A
Retailer 2
-
$344 AUD
$241 USD
View
Final sale: no returns
A
Retailer 3
-
$357 AUD
$250 USD
View
Retailer 4
-
$394 AUD
$276 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$394 AUD
$276 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$514 AUD
$360 USD
View
A
Retailer 7
-
$657 AUD
ZAR 7,444 ZAR
View
A
Retailer 8
-
$692 AUD
€462 EUR
View
A
Retailer 9
-
$706 AUD
£389 GBP
View
A
Retailer 10
-
$746 AUD
$523 USD
View
A
Retailer 11
-
$751 AUD
$526 USD
View
A
Retailer 12
-
$889 AUD
View
B+
Retailer 13
-
$1,002 AUD
$702 USD
View
B+
Retailer 14
-
$1,229 AUD
$861 USD
View
Retailer 15
-
$1,264 AUD
$886 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$1,300 AUD
$911 USD
View
Retailer 17
-
$1,363 AUD
$955 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$1,386 AUD
$971 USD
View
B+
Retailer 19
-
$1,526 AUD
£842 GBP
View
B
Retailer 20
-
$1,550 AUD
$1,086 USD
View
B
Retailer 21
-
$1,755 AUD
$1,230 USD
View
Most Expensive
Brilliant Earth
14224269A · Oct 16
$1,983 AUD
$1,390 USD
View
Price last confirmed 17 days ago
21 more retailers have this diamond
Prices start from $307 AUDSave up to $1,448 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 Radiant
$307 AUD