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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799676862

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

Certificate IGI LG799676862

Diamond specifications and retailer prices

From $1,198 NZD
$674 USD
As of November 2, 2026
Save $9,430 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,628 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676862 or 799676862. Listed at 22 retailers as of November 2, 2026, with prices from $1,198 to $10,628, a $9,430 spread on the same certified stone. Do Amore Diamonds lists it at $10,628. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676862
Dimensions8.72 × 5.87 × 3.87 mm
L/W Ratio1.49
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
8.72 mm5.87 mm1.64 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676862
Side View
Table 60.0%Crown 39.6°Girdle: MediumPavilion 35°Culet: NoneDepth 65.9%

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: $10,628 NZD|Low: $1,150 NZD|High: $10,628 NZD|Avg: $3,822 NZD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 3, 2026
Retailer 22$1,198 NZD
Retailer 21$1,303 NZD
Retailer 9$1,338 NZD
Retailer 3$1,388 NZD
Retailer 10$1,388 NZD
Retailer 17$1,706 NZD
Retailer 5$1,770 NZD
Retailer 6$1,829 NZD
Retailer 18$1,911 NZD
Retailer 8$2,263 NZD
Retailer 2$2,461 NZD
Retailer 16$2,816 NZD
Retailer 20$3,547 NZD
Retailer 7$4,310 NZD
Retailer 4$4,737 NZD
Retailer 14$4,767 NZD
Retailer 11$4,769 NZD
Retailer 15$5,484 NZD
Retailer 12$5,520 NZD
Retailer 13$6,020 NZD
Retailer 19$6,949 NZD
Do Amore Diamonds$10,628 NZD

45 data points across 22 retailers

22 retailers$1,198 NZD to $10,628 NZD

A
Cheapest Retailer
-
$1,198 NZD
$674 USD
A
Retailer 2
-
$1,303 NZD
$733 USD
View
A
Retailer 3
-
$1,338 NZD
$753 USD
View
Final sale: no returns
Retailer 4
-
$1,388 NZD
$781 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,388 NZD
$781 USD
View
A
Retailer 6
-
$1,706 NZD
$960 USD
View
A
Retailer 7
-
$1,770 NZD
$996 USD
View
A
Retailer 8
-
$1,829 NZD
$1,029 USD
View
A
Retailer 9
-
$1,911 NZD
HK$8,400 HKD
View
B+
Retailer 10
-
$2,263 NZD
$1,273 USD
View
B+
Retailer 11
-
$2,461 NZD
£1,090 GBP
View
B+
Retailer 12
-
$2,816 NZD
ZAR 25,601 ZAR
View
B+
Retailer 13
-
$3,547 NZD
$1,996 USD
View
B
Retailer 14
-
$4,310 NZD
$2,425 USD
View
B
Retailer 15
-
$4,737 NZD
$2,665 USD
View
B
Retailer 16
-
$4,767 NZD
£2,112 GBP
View
B
Retailer 17
-
$4,769 NZD
$2,683 USD
View
B
Retailer 18
-
$5,484 NZD
$3,086 USD
View
B
Retailer 19
-
$5,520 NZD
SGD 4,197 SGD
View
Retailer 20
-
$6,020 NZD
£2,667 GBP
View
B
Retailer 21
-
$6,949 NZD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-4291426D9 · Nov 2
$10,628 NZD
$5,980 USD
View
21 more retailers have this diamond
Prices start from $1,198 NZDSave up to $9,430 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
1.64ct Radiant
$1,198 NZD