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Radiant|Lab Grown|IGI

1.69ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG683593680

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG683593680

Diamond specifications and retailer prices

From $568 AUD
$399 USD
As of October 28, 2026
Save $1,104 AUD (66%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,672 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.69ct lab-grown radiant diamond

This 1.69ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683593680 or 683593680. Listed at 3 retailers as of October 28, 2026, with prices from $568 to $1,672, a $1,104 spread on the same certified stone. MOH London lists it at $1,672. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683593680
Dimensions8.57 × 5.87 × 3.98 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.57 mm5.87 mm1.69 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683593680
Side View
Table 65.0%Crown 43.1°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,672 AUD|Low: $545 AUD|High: $1,681 AUD|Avg: $981 AUD|+11.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$568 AUD
Retailer 7$626 AUD
Retailer 6$780 AUD
Retailer 4$820 AUD
Retailer 5$1,125 AUD
Retailer 2$1,381 AUD
MOH London$1,672 AUD

14 data points across 7 retailers

3 retailers$568 AUD to $1,672 AUD

B+
Cheapest Retailer
-
$568 AUD
$399 USD
Retailer 2
-
$1,381 AUD
$970 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG683593680 · Oct 29
$1,672 AUD
£925 GBP
View
2 more retailers have this diamond
Prices start from $568 AUDSave up to $1,104 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.

B+
1.69ct Radiant
$568 AUD