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 $283 USD
As of October 27, 2026
Save $4,587 USD (94%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,870 USD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $283 to $4,870, a $4,587 spread on the same certified stone. Brilliant Earth lists it at $4,870. 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
Color
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+
Exceptional
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $4,870 USD|Low: $252 USD|High: $5,020 USD|Avg: $1,455 USD|-3.0%
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
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Retailer 17
October 29, 2026
Retailer 11$283 USD
Retailer 4$329 USD
Retailer 9$336 USD
Retailer 12$529 USD
Retailer 15$579 USD
Retailer 16$580 USD
Retailer 5$643 USD
Retailer 10$904 USD
Retailer 7$979 USD
Retailer 14$1,079 USD
Retailer 3$1,107 USD
Retailer 17$1,247 USD
Retailer 2$1,562 USD
Retailer 8$1,830 USD
Retailer 13$2,520 USD
Retailer 6$2,925 USD
Brilliant Earth$4,870 USD

31 data points across 17 retailers

17 retailers$283 USD to $4,870 USD

A+
Cheapest Retailer
-
$283 USD
A
Retailer 2
-
$329 USD
View
A
Retailer 3
-
$336 USD
View
Final sale: no returns
A
Retailer 4
-
$529 USD
View
A
Retailer 5
-
$579 USD
View
A
Retailer 6
-
$580 USD
View
A
Retailer 7
-
$643 USD
€612 EUR
View
A
Retailer 8
-
$904 USD
A$1,391 AUD
View
A
Retailer 9
-
$979 USD
View
A
Retailer 10
-
$1,079 USD
View
A
Retailer 11
-
$1,107 USD
View
A
Retailer 12
-
$1,247 USD
View
B+
Retailer 13
-
$1,562 USD
£1,230 GBP
View
B+
Retailer 14
-
$1,830 USD
A$2,816 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$2,520 USD
View
B
Retailer 16
-
$2,925 USD
View
Most Expensive
B
Brilliant Earth
18701696Y · Oct 28
$4,870 USD
View
16 more retailers have this diamond
Prices start from $283 USDSave up to $4,587 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 Radiant
$283 USD