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Round|Lab Grown|IGI

1.69ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG425066365

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066365

Diamond specifications and retailer prices

From $1,177 USD
As of October 29, 2026
Save $3,235 USD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,412 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.69ct lab-grown round diamond

This 1.69ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425066365 or 425066365. Listed at 11 retailers as of October 29, 2026, with prices from $1,177 to $4,412, a $3,235 spread on the same certified stone. MOH London lists it at $4,412. 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

1.69
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066365
Dimensions7.65 × 7.57 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.65 mm7.57 mm1.69 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066365
Side View
Table 58.5%Crown 35.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

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 29
Current: $4,412 USD|Low: $940 USD|High: $4,441 USD|Avg: $1,961 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
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 7$1,177 USD
Retailer 8$1,200 USD
Retailer 11$1,281 USD
Retailer 13$1,317 USD
Retailer 9$1,366 USD
Retailer 14$1,366 USD
Retailer 5$1,482 USD
Retailer 2$1,589 USD
Retailer 4$1,945 USD
Retailer 10$2,168 USD
Retailer 12$2,560 USD
Retailer 3$2,691 USD
Retailer 6$3,054 USD
MOH London$4,412 USD

37 data points across 14 retailers

11 retailers$1,177 USD to $4,412 USD

A
Cheapest Retailer
-
$1,177 USD
A
Retailer 2
-
$1,200 USD
View
A
Retailer 3
-
$1,281 USD
View
A
Retailer 4
-
$1,317 USD
View
Final sale: no returns
Retailer 5
-
$1,366 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,366 USD
View
B+
Retailer 7
-
$1,589 USD
£1,251 GBP
View
B
Retailer 8
-
$2,168 USD
View
B
Retailer 9
-
$2,560 USD
View
B
Retailer 10
-
$2,691 USD
View
Most Expensive
B
MOH London
LG425066365 · Oct 29
$4,412 USD
£3,474 GBP
View
10 more retailers have this diamond
Prices start from $1,177 USDSave up to $3,235 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
1.69ct Round
$1,177 USD