Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG769647838

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

Certificate IGI LG769647838

Diamond specifications and retailer prices

From $665 NZD
$375 USD
As of November 2, 2026
Save $5,633 NZD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,299 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct 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 LG769647838 or 769647838. Listed at 24 retailers as of October 31, 2026, with prices from $665 to $6,299, a $5,633 spread on the same certified stone. Brilliant Earth lists it at $6,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769647838
Dimensions8.61 × 5.76 × 3.79 mm
L/W Ratio1.49
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
8.61 mm5.76 mm1.60 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769647838
Side View
Table 63.0%Crown 39.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,299 NZD|Low: $639 NZD|High: $6,973 NZD|Avg: $2,072 NZD|-9.7%
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
Retailer 18
Retailer 19
November 2, 2026
Retailer 19$665 NZD
Retailer 11$745 NZD
Retailer 6$747 NZD
Retailer 3$827 NZD
Retailer 8$827 NZD
Retailer 15$1,091 NZD
Retailer 18$1,098 NZD
Retailer 10$1,400 NZD
Retailer 12$1,501 NZD
Retailer 2$1,573 NZD
Retailer 9$1,900 NZD
Retailer 14$2,123 NZD
Retailer 17$2,317 NZD
Retailer 5$2,931 NZD
Retailer 4$3,091 NZD
Retailer 7$3,192 NZD
Retailer 13$3,348 NZD
Retailer 16$4,968 NZD
Brilliant Earth$6,299 NZD

45 data points across 19 retailers

24 retailers$665 NZD to $6,299 NZD

A
Cheapest Retailer
-
$665 NZD
$375 USD
A
Retailer 2
-
$745 NZD
$420 USD
View
Final sale: no returns
A
Retailer 3
-
$747 NZD
$421 USD
View
Retailer 4
-
$827 NZD
$466 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$827 NZD
$466 USD
View
A
Retailer 6
-
$1,091 NZD
$615 USD
View
A
Retailer 7
-
$1,098 NZD
$619 USD
View
A
Retailer 8
-
$1,400 NZD
$789 USD
View
A
Retailer 9
-
$1,501 NZD
£666 GBP
View
A
Retailer 10
-
$1,573 NZD
ZAR 14,318 ZAR
View
A
Retailer 11
-
$1,584 NZD
$893 USD
View
B+
Retailer 12
-
$1,900 NZD
$1,071 USD
View
B+
Retailer 13
-
$1,999 NZD
$1,126 USD
View
B+
Retailer 14
-
$2,123 NZD
A$1,841 AUD
View
B+
Retailer 15
-
$2,317 NZD
$1,306 USD
View
B+
Retailer 16
-
$2,931 NZD
$1,652 USD
View
B+
Retailer 17
-
$3,091 NZD
$1,742 USD
View
B+
Retailer 18
-
$3,098 NZD
$1,746 USD
View
B
Retailer 19
-
$3,192 NZD
$1,799 USD
View
B
Retailer 20
-
$3,203 NZD
$1,805 USD
View
B+
Retailer 21
-
$3,348 NZD
£1,486 GBP
View
B
Retailer 22
-
$4,968 NZD
$2,800 USD
View
B
Retailer 23
-
$5,908 NZD
$3,330 USD
View
Most Expensive
B
Brilliant Earth
18397136Y · Oct 31
$6,299 NZD
$3,550 USD
View
23 more retailers have this diamond
Prices start from $665 NZDSave up to $5,633 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
1.60ct Radiant
$665 NZD