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Round|Lab Grown|IGI

1.76ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG451057582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057582

Diamond specifications and retailer prices

From €886 EUR
$990 USD
As of October 31, 2026
Save €3,643 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,529 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.76ct lab-grown round diamond

This 1.76ct 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 LG451057582 or 451057582. Listed at 11 retailers as of October 31, 2026, with prices from €886 to €4,529, a €3,643 spread on the same certified stone. MOH London lists it at €4,529. 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

1.76
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057582
Dimensions7.87 × 7.90 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.87 mm7.90 mm1.76 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057582
Side View
Table 59.0%Crown 31.6°GirdlePavilion 40.2°Culet: NoneDepth 58.7%

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 31
Current: €4,529 EUR|Low: €886 EUR|High: €4,583 EUR|Avg: €2,151 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2€886 EUR
Retailer 4€1,215 EUR
Retailer 7€1,360 EUR
Retailer 5€1,410 EUR
Retailer 8€1,410 EUR
Retailer 9€1,562 EUR
Retailer 11€1,941 EUR
Retailer 6€2,227 EUR
Retailer 10€2,627 EUR
Retailer 3€4,033 EUR
MOH London€4,529 EUR

13 data points across 11 retailers

11 retailers€886 EUR to €4,529 EUR

A
Cheapest Retailer
-
€886 EUR
$990 USD
B+
Retailer 2
-
€1,215 EUR
$1,357 USD
View
B+
Retailer 3
-
€1,322 EUR
$1,477 USD
View
B+
Retailer 4
-
€1,360 EUR
$1,519 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,410 EUR
$1,575 USD
View
Retailer 6
-
€1,410 EUR
$1,575 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,562 EUR
$1,745 USD
View
B
Retailer 8
-
€2,227 EUR
$2,488 USD
View
B
Retailer 9
-
€2,627 EUR
$2,935 USD
View
B
Retailer 10
-
€2,641 EUR
$2,951 USD
View
Most Expensive
B
MOH London
LG451057582 · Nov 1
€4,529 EUR
£3,984 GBP
View
10 more retailers have this diamond
Prices start from €886 EURSave up to €3,643 EUR

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
1.76ct Round
€886 EUR