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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 $331 USD
As of October 29, 2026
Save $2,609 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,940 USD 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 29, 2026, with prices from $331 to $2,940, a $2,609 spread on the same certified stone. Do Amore Diamonds lists it at $2,940. 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
Color
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

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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 29
Current: $2,940 USD|Low: $331 USD|High: $2,940 USD|Avg: $995 USD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 30, 2026
Retailer 18$331 USD
Retailer 15$384 USD
Retailer 2$405 USD
Retailer 6$411 USD
Retailer 14$411 USD
Retailer 3$478 USD
Retailer 7$565 USD
Retailer 9$707 USD
Retailer 11$734 USD
Retailer 16$743 USD
Retailer 10$813 USD
Retailer 17$1,204 USD
Retailer 8$1,236 USD
Retailer 13$1,260 USD
Retailer 5$1,457 USD
Retailer 4$1,614 USD
Retailer 12$1,774 USD
Do Amore Diamonds$2,940 USD

14 data points across 18 retailers

18 retailers$331 USD to $2,940 USD

A
Cheapest Retailer
-
$331 USD
A
Retailer 2
-
$384 USD
View
B+
Retailer 3
-
$405 USD
View
A
Retailer 4
-
$411 USD
View
A
Retailer 5
-
$411 USD
View
A
Retailer 6
-
$478 USD
View
A
Retailer 7
-
$565 USD
View
A
Retailer 8
-
$707 USD
View
A
Retailer 9
-
$734 USD
£578 GBP
View
A
Retailer 10
-
$743 USD
View
A
Retailer 11
-
$813 USD
View
A
Retailer 12
-
$1,204 USD
View
A
Retailer 13
-
$1,236 USD
View
B+
Retailer 14
-
$1,260 USD
View
B+
Retailer 15
-
$1,457 USD
View
B+
Retailer 16
-
$1,614 USD
View
B+
Retailer 17
-
$1,774 USD
£1,397 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9FF8E229B · Oct 31
$2,940 USD
View
17 more retailers have this diamond
Prices start from $331 USDSave up to $2,609 USD

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
$331 USD