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Round|Lab Grown|IGI

1.56ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG445037097

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445037097

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 LG445037097 or 445037097. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037097
Dimensions7.36 × 7.38 × 4.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.38 mm1.56 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037097
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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: $2,186 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$860 USD
Retailer 4$1,276 USD
Retailer 7$1,388 USD
Retailer 9$1,428 USD
Retailer 5$1,480 USD
Retailer 11$2,047 USD
Retailer 6$2,344 USD
Retailer 10$2,758 USD
Retailer 8$2,774 USD
Retailer 3$3,312 USD
MOH London$4,780 USD

17 data points across 11 retailers

10 retailers$860 USD to $4,780 USD

A
Cheapest Retailer
-
$860 USD
A
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 17 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
LG445037097 · 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