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Round|Lab Grown|IGI

1.53ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG407950829

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407950829

Diamond specifications and retailer prices

From $1,090 USD
As of October 29, 2026
Save $3,581 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,671 USD at MOH London · As of October 25, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407950829 or 407950829. Listed at 10 retailers as of October 25, 2026, with prices from $1,090 to $4,671, a $3,581 spread on the same certified stone. MOH London lists it at $4,671. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950829
Dimensions7.59 × 7.51 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.59 mm7.51 mm1.53 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407950829
Side View
Table 61.0%Crown 31.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 58.9%

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: Oct 29
Current: $4,671 USD|Low: $1,090 USD|High: $4,722 USD|Avg: $2,318 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 2$1,090 USD
Retailer 4$1,362 USD
Retailer 5$1,401 USD
Retailer 7$2,013 USD
Retailer 3$2,299 USD
Retailer 6$2,706 USD
Retailer 8$3,251 USD
MOH London$4,671 USD

9 data points across 8 retailers

10 retailers$1,090 USD to $4,671 USD

A
Cheapest Retailer
-
$1,090 USD
B+
Retailer 2
-
$1,252 USD
View
B+
Retailer 3
-
$1,362 USD
View
B+
Retailer 4
-
$1,401 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,452 USD
View
Retailer 6
-
$1,452 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,299 USD
View
B
Retailer 8
-
$2,706 USD
View
B
Retailer 9
-
$2,722 USD
View
Most Expensive
B
MOH London
LG407950829 · Oct 25
$4,671 USD
£3,678 GBP
View
9 more retailers have this diamond
Prices start from $1,090 USDSave up to $3,581 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
$1,090 USD