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Round|Lab Grown|IGI

1.53ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG12287402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12287402

Diamond specifications and retailer prices

From $471 AUD
$331 USD
As of November 1, 2026
Save $3,714 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,185 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12287402 or 12287402. Listed at 18 retailers as of October 31, 2026, with prices from $471 to $4,185, a $3,714 spread on the same certified stone. Do Amore Diamonds lists it at $4,185. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12287402
Dimensions7.37 × 7.42 × 4.55 mm
L/W Ratio1.01
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
7.37 mm7.42 mm1.53 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12287402
Side View
Table 60.0%Crown 35.5°Girdle: MED-UNDPavilion 41.1°Culet: NoneDepth 61.5%

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: Nov 1
Current: $4,185 AUD|Low: $471 AUD|High: $4,185 AUD|Avg: $1,414 AUD
Do Amore Diamonds
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 1, 2026
Retailer 18$471 AUD
Retailer 15$547 AUD
Retailer 12$577 AUD
Retailer 6$585 AUD
Retailer 14$585 AUD
Retailer 3$680 AUD
Retailer 7$804 AUD
Retailer 9$1,006 AUD
Retailer 11$1,042 AUD
Retailer 16$1,058 AUD
Retailer 10$1,157 AUD
Retailer 17$1,714 AUD
Retailer 8$1,760 AUD
Retailer 2$1,822 AUD
Retailer 5$2,074 AUD
Retailer 4$2,298 AUD
Retailer 13$2,526 AUD
Do Amore Diamonds$4,185 AUD

15 data points across 18 retailers

18 retailers$471 AUD to $4,185 AUD

A
Cheapest Retailer
-
$471 AUD
$331 USD
A
Retailer 2
-
$547 AUD
$384 USD
View
B+
Retailer 3
-
$577 AUD
$405 USD
View
A
Retailer 4
-
$585 AUD
$411 USD
View
Retailer 5
-
$585 AUD
$411 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$680 AUD
$478 USD
View
A
Retailer 7
-
$804 AUD
$565 USD
View
A
Retailer 8
-
$1,006 AUD
$707 USD
View
A
Retailer 9
-
$1,042 AUD
£576 GBP
View
A
Retailer 10
-
$1,058 AUD
$743 USD
View
A
Retailer 11
-
$1,157 AUD
$813 USD
View
A
Retailer 12
-
$1,714 AUD
$1,204 USD
View
A
Retailer 13
-
$1,760 AUD
$1,236 USD
View
B+
Retailer 14
-
$1,822 AUD
$1,280 USD
View
B+
Retailer 15
-
$2,074 AUD
$1,457 USD
View
B+
Retailer 16
-
$2,298 AUD
$1,614 USD
View
B+
Retailer 17
-
$2,526 AUD
£1,397 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9FF8E229B · Oct 31
$4,185 AUD
$2,940 USD
View
17 more retailers have this diamond
Prices start from $471 AUDSave up to $3,714 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
1.53ct Round
$471 AUD