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Round|Lab Grown|IGI

1.56ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG440013924

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440013924

Diamond specifications and retailer prices

From $860 USD
As of October 30, 2026
Save $3,920 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,780 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct 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 LG440013924 or 440013924. Listed at 10 retailers as of October 29, 2026, with prices from $860 to $4,780, a $3,920 spread on the same certified stone. MOH London lists it at $4,780. 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

1.56
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013924
Dimensions7.38 × 7.40 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.38 mm7.40 mm1.56 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013924
Side View
Table 57.0%Crown 35.7°GirdlePavilion 40.7°Culet: NoneDepth 62.4%

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: Oct 30
Current: $4,780 USD|Low: $860 USD|High: $4,818 USD|Avg: $2,371 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$860 USD
Retailer 4$1,388 USD
Retailer 5$1,428 USD
Retailer 7$2,047 USD
Retailer 3$2,344 USD
Retailer 6$2,758 USD
Retailer 8$3,312 USD
MOH London$4,780 USD

13 data points across 8 retailers

10 retailers$860 USD to $4,780 USD

A
Cheapest Retailer
-
$860 USD
B+
Retailer 2
-
$1,276 USD
View
B+
Retailer 3
-
$1,388 USD
View
B+
Retailer 4
-
$1,428 USD
View
Final sale: no returns
Retailer 5
-
$1,480 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,480 USD
View
B
Retailer 7
-
$2,344 USD
View
B
Retailer 8
-
$2,758 USD
View
B
Retailer 9
-
$2,774 USD
View
Most Expensive
B
MOH London
LG440013924 · Oct 29
$4,780 USD
£3,764 GBP
View
9 more retailers have this diamond
Prices start from $860 USDSave up to $3,920 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
1.56ct Round
$860 USD