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Round|Lab Grown|IGI

1.53ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG436072690

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436072690

Diamond specifications and retailer prices

From $1,830 USD
As of November 5, 2026
Save $2,148 USD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,045 USD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072690 or 436072690. Listed at 8 retailers as of November 5, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072690
Dimensions7.54 × 7.56 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
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Top View
7.54 mm7.56 mm1.53 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436072690
Side View
Table 57.5%Crown 31.6°GirdlePavilion 40.3°Culet: NoneDepth 58.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,045 USD|Low: $1,756 USD|High: $6,142 USD|Avg: $3,245 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3$1,830 USD
Retailer 6$1,991 USD
Retailer 4$2,122 USD
Retailer 8$2,122 USD
Retailer 9$2,810 USD
Retailer 5$3,328 USD
Retailer 2$3,570 USD
Retailer 7$3,978 USD
Retailer 10$4,748 USD
MOH London$6,045 USD

15 data points across 10 retailers

8 retailers$1,830 USD to $3,978 USD

B
Cheapest Retailer
-
$1,830 USD
B
Retailer 2
-
$1,991 USD
View
B
Retailer 3
-
$2,122 USD
View
Retailer 4
-
$2,122 USD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$3,328 USD
View
C
Retailer 6
-
$3,570 USD
View
C
Retailer 7
-
$3,978 USD
View
Most Expensive
MOH London
LG436072690 · Nov 5
$6,045 USD
£4,760 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $1,830 USDSave up to $2,148 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.

B
1.53ct Round
$1,830 USD