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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG620412729

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

Certificate IGI LG620412729

Diamond specifications and retailer prices

From $292 AUD
$205 USD
As of October 30, 2026
Save $1,428 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,720 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620412729 or 620412729. Listed at 21 retailers as of October 30, 2026, with prices from $292 to $1,720, a $1,428 spread on the same certified stone. Reve Diamonds lists it at $1,720. 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 angle42.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620412729
Dimensions8.19 × 5.71 × 3.74 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.19 mm5.71 mm1.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620412729
Side View
Table 64.0%Crown 42.5°Girdle: MediumPavilion 34.8°Culet: NoneDepth 65.5%

Caratlytics Score

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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: Oct 30
Current: $379 AUD|Low: $269 AUD|High: $1,851 AUD|Avg: $885 AUD|+0.4%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 2$292 AUD
Retailer 12$337 AUD
Retailer 10$347 AUD
Retailer 6$362 AUD
Retailer 1$379 AUD
Retailer 15$598 AUD
Retailer 11$623 AUD
Retailer 3$625 AUD
Retailer 17$729 AUD
Retailer 7$809 AUD
Retailer 18$834 AUD
Retailer 14$1,160 AUD
Retailer 16$1,165 AUD
Retailer 9$1,217 AUD
Retailer 5$1,237 AUD
Retailer 4$1,410 AUD
Retailer 8$1,438 AUD
Retailer 13$1,689 AUD
Reve Diamonds$1,720 AUD

32 data points across 19 retailers

21 retailers$292 AUD to $1,720 AUD

A
Cheapest Retailer
-
$292 AUD
$205 USD
A
Retailer 2
-
$337 AUD
$237 USD
View
Retailer 3
-
$347 AUD
$244 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$362 AUD
$254 USD
View
A
Retailer 5
-
$379 AUD
$266 USD
View
Final sale: no returns
A
Retailer 6
-
$598 AUD
€400 EUR
View
A
Retailer 7
-
$623 AUD
ZAR 7,074 ZAR
View
B+
Retailer 8
-
$625 AUD
$439 USD
View
A
Retailer 9
-
$729 AUD
$512 USD
View
A
Retailer 10
-
$809 AUD
View
A
Retailer 11
-
$834 AUD
$586 USD
View
B+
Retailer 12
-
$905 AUD
$636 USD
View
B+
Retailer 13
-
$1,124 AUD
£621 GBP
View
B+
Retailer 14
-
$1,160 AUD
$815 USD
View
B+
Retailer 15
-
$1,165 AUD
$818 USD
View
B+
Retailer 16
-
$1,217 AUD
$855 USD
View
B+
Retailer 17
-
$1,237 AUD
$869 USD
View
B+
Retailer 18
-
$1,410 AUD
£780 GBP
View
B+
Retailer 19
-
$1,438 AUD
$1,010 USD
View
B
Retailer 20
-
$1,689 AUD
£934 GBP
View
Most Expensive
B
Reve Diamonds
5814D622A · Nov 1
$1,720 AUD
$1,208 USD
View
20 more retailers have this diamond
Prices start from $292 AUDSave up to $1,428 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
$292 AUD