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Round|Lab Grown|IGI

1.75ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG451056232

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056232

Diamond specifications and retailer prices

From $980 USD
As of October 31, 2026
Save $4,078 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,058 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.75ct lab-grown round diamond

This 1.75ct 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 LG451056232 or 451056232. Listed at 11 retailers as of October 29, 2026, with prices from $980 to $5,058, a $4,078 spread on the same certified stone. MOH London lists it at $5,058. 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

1.75
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056232
Dimensions7.61 × 7.64 × 4.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.61 mm7.64 mm1.75 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056232
Side View
Table 58.5%Crown 36.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

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: $5,058 USD|Low: $980 USD|High: $5,099 USD|Avg: $2,537 USD|+0.5%
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$980 USD
Retailer 3$1,350 USD
Retailer 6$1,511 USD
Retailer 4$1,566 USD
Retailer 7$1,740 USD
Retailer 9$2,157 USD
Retailer 5$2,475 USD
Retailer 8$2,919 USD
Retailer 10$4,481 USD
MOH London$5,058 USD

14 data points across 10 retailers

11 retailers$980 USD to $5,058 USD

A
Cheapest Retailer
-
$980 USD
B+
Retailer 2
-
$1,350 USD
View
B+
Retailer 3
-
$1,469 USD
View
B+
Retailer 4
-
$1,511 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,566 USD
View
Retailer 6
-
$1,566 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,740 USD
View
B
Retailer 8
-
$2,475 USD
View
B
Retailer 9
-
$2,919 USD
View
B
Retailer 10
-
$2,935 USD
View
Most Expensive
B
MOH London
LG451056232 · Oct 29
$5,058 USD
£3,983 GBP
View
10 more retailers have this diamond
Prices start from $980 USDSave up to $4,078 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
1.75ct Round
$980 USD