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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 $502 NZD
$283 USD
As of October 30, 2026
Save $5,548 NZD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,050 NZD 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 $502 to $6,050, a $5,548 spread on the same certified stone. Brilliant Earth lists it at $6,050. 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: $6,050 NZD|Low: $447 NZD|High: $8,907 NZD|Avg: $2,385 NZD|-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 31, 2026
Retailer 12$502 NZD
Retailer 5$584 NZD
Retailer 9$596 NZD
Retailer 13$939 NZD
Retailer 16$1,027 NZD
Retailer 17$1,029 NZD
Retailer 2$1,142 NZD
Retailer 11$1,604 NZD
Retailer 7$1,737 NZD
Retailer 15$1,914 NZD
Retailer 4$1,964 NZD
Retailer 3$2,213 NZD
Retailer 10$2,772 NZD
Retailer 8$3,248 NZD
Retailer 14$4,471 NZD
Retailer 6$5,190 NZD
Brilliant Earth$6,050 NZD

34 data points across 17 retailers

17 retailers$502 NZD to $6,050 NZD

A
Cheapest Retailer
-
$502 NZD
$283 USD
A
Retailer 2
-
$584 NZD
$329 USD
View
A
Retailer 3
-
$596 NZD
$336 USD
View
Final sale: no returns
A
Retailer 4
-
$939 NZD
$529 USD
View
A
Retailer 5
-
$1,027 NZD
$579 USD
View
A
Retailer 6
-
$1,029 NZD
$580 USD
View
A
Retailer 7
-
$1,142 NZD
€613 EUR
View
A
Retailer 8
-
$1,604 NZD
A$1,391 AUD
View
A
Retailer 9
-
$1,737 NZD
$979 USD
View
A
Retailer 10
-
$1,914 NZD
$1,079 USD
View
A
Retailer 11
-
$1,964 NZD
$1,107 USD
View
B+
Retailer 12
-
$2,213 NZD
$1,247 USD
View
B+
Retailer 13
-
$2,772 NZD
£1,230 GBP
View
Retailer 14
-
$3,248 NZD
A$2,816 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
$4,471 NZD
$2,520 USD
View
B
Retailer 16
-
$5,190 NZD
$2,925 USD
View
Most Expensive
B
Brilliant Earth
18701696Y · Oct 30
$6,050 NZD
$3,410 USD
View
16 more retailers have this diamond
Prices start from $502 NZDSave up to $5,548 NZD

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
$502 NZD