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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 $1,352 AUD
$950 USD
As of October 30, 2026
Save $4,928 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,281 AUD 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 $1,352 to $6,281, a $4,928 spread on the same certified stone. MOH London lists it at $6,281. 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
Colour
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 30
Current: $6,281 AUD|Low: $1,352 AUD|High: $6,322 AUD|Avg: $2,796 AUD|+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 2$1,352 AUD
Retailer 8$1,676 AUD
Retailer 11$1,824 AUD
Retailer 13$1,875 AUD
Retailer 9$1,945 AUD
Retailer 14$1,945 AUD
Retailer 5$2,109 AUD
Retailer 7$2,262 AUD
Retailer 4$2,769 AUD
Retailer 10$3,086 AUD
Retailer 12$3,644 AUD
Retailer 3$3,831 AUD
Retailer 6$4,348 AUD
MOH London$6,281 AUD

36 data points across 14 retailers

11 retailers$1,352 AUD to $6,281 AUD

A
Cheapest Retailer
-
$1,352 AUD
$950 USD
B+
Retailer 2
-
$1,676 AUD
$1,177 USD
View
B+
Retailer 3
-
$1,824 AUD
$1,281 USD
View
B+
Retailer 4
-
$1,875 AUD
$1,317 USD
View
Final sale: no returns
Retailer 5
-
$1,945 AUD
$1,366 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,945 AUD
$1,366 USD
View
B+
Retailer 7
-
$2,262 AUD
£1,251 GBP
View
B
Retailer 8
-
$3,086 AUD
$2,168 USD
View
B
Retailer 9
-
$3,644 AUD
$2,560 USD
View
B
Retailer 10
-
$3,831 AUD
$2,691 USD
View
Most Expensive
B
MOH London
LG425066365 · Oct 29
$6,281 AUD
£3,474 GBP
View
10 more retailers have this diamond
Prices start from $1,352 AUDSave up to $4,928 AUD

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
$1,352 AUD