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Round|Lab Grown|IGI

1.56ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG442069081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442069081

Diamond specifications and retailer prices

From $860 USD
As of October 31, 2026
Save $3,642 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,502 USD at MOH London · As of October 25, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442069081 or 442069081. Listed at 11 retailers as of October 25, 2026, with prices from $860 to $4,502, a $3,642 spread on the same certified stone. MOH London lists it at $4,502. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442069081
Dimensions7.42 × 7.38 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.42 mm7.38 mm1.56 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442069081
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.9%

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 31
Current: $4,502 USD|Low: $860 USD|High: $4,550 USD|Avg: $2,278 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$860 USD
Retailer 3$1,206 USD
Retailer 6$1,351 USD
Retailer 4$1,399 USD
Retailer 7$1,570 USD
Retailer 9$1,981 USD
Retailer 5$2,219 USD
Retailer 8$2,681 USD
Retailer 10$4,004 USD
MOH London$4,502 USD

13 data points across 10 retailers

11 retailers$860 USD to $4,502 USD

A
Cheapest Retailer
-
$860 USD
B+
Retailer 2
-
$1,206 USD
View
B+
Retailer 3
-
$1,313 USD
View
B+
Retailer 4
-
$1,351 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,399 USD
View
Retailer 6
-
$1,399 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,570 USD
View
B
Retailer 8
-
$2,219 USD
View
B
Retailer 9
-
$2,623 USD
View
B
Retailer 10
-
$2,681 USD
View
Most Expensive
B
MOH London
LG442069081 · Oct 25
$4,502 USD
£3,545 GBP
View
10 more retailers have this diamond
Prices start from $860 USDSave up to $3,642 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