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Radiant|Lab Grown|IGI

1.69ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG768632623

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

Certificate IGI LG768632623

Diamond specifications and retailer prices

From $403 AUD
$283 USD
As of October 30, 2026
Save $4,452 AUD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,854 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632623 or 768632623. Listed at 17 retailers as of October 30, 2026, with prices from $403 to $4,854, a $4,452 spread on the same certified stone. Brilliant Earth lists it at $4,854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632623
Dimensions8.57 × 5.92 × 3.81 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.57 mm5.92 mm1.69 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632623
Side View
Table 63.0%Crown 41.7°Girdle: Slightly ThickPavilion 33.6°Culet: NoneDepth 64.4%

Caratlytics Score

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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: $4,854 AUD|Low: $359 AUD|High: $7,146 AUD|Avg: $2,059 AUD|-32.1%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 11$403 AUD
Retailer 4$468 AUD
Retailer 9$478 AUD
Retailer 12$753 AUD
Retailer 15$824 AUD
Retailer 16$826 AUD
Retailer 5$915 AUD
Retailer 10$1,287 AUD
Retailer 7$1,394 AUD
Retailer 14$1,536 AUD
Retailer 3$1,576 AUD
Retailer 17$1,775 AUD
Retailer 2$2,224 AUD
Retailer 8$2,606 AUD
Retailer 13$3,587 AUD
Retailer 6$4,164 AUD
Brilliant Earth$4,854 AUD

32 data points across 17 retailers

17 retailers$403 AUD to $4,854 AUD

A
Cheapest Retailer
-
$403 AUD
$283 USD
A
Retailer 2
-
$468 AUD
$329 USD
View
A
Retailer 3
-
$478 AUD
$336 USD
View
Final sale: no returns
A
Retailer 4
-
$753 AUD
$529 USD
View
A
Retailer 5
-
$824 AUD
$579 USD
View
A
Retailer 6
-
$826 AUD
$580 USD
View
Retailer 7
-
$915 AUD
€612 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$1,287 AUD
View
A
Retailer 9
-
$1,394 AUD
$979 USD
View
A
Retailer 10
-
$1,536 AUD
$1,079 USD
View
A
Retailer 11
-
$1,576 AUD
$1,107 USD
View
B+
Retailer 12
-
$1,775 AUD
$1,247 USD
View
B+
Retailer 13
-
$2,224 AUD
£1,230 GBP
View
Retailer 14
-
$2,606 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
$3,587 AUD
$2,520 USD
View
B
Retailer 16
-
$4,164 AUD
$2,925 USD
View
Most Expensive
B
Brilliant Earth
18701696Y · Oct 30
$4,854 AUD
$3,410 USD
View
16 more retailers have this diamond
Prices start from $403 AUDSave up to $4,452 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 Radiant
$403 AUD