Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739586470

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

Certificate IGI LG739586470

Diamond specifications and retailer prices

From $751 NZD
$423 USD
As of November 1, 2026
Save $5,584 NZD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,334 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown radiant diamond

This 1.61ct 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 LG739586470 or 739586470. Listed at 25 retailers as of October 31, 2026, with prices from $751 to $6,334, a $5,584 spread on the same certified stone. Brilliant Earth lists it at $6,334. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586470
Dimensions8.63 × 5.84 × 3.72 mm
L/W Ratio1.48
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
8.63 mm5.84 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586470
Side View
Table 67.0%Crown 41.7°Girdle: MediumPavilion 32.5°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
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: Nov 1
Current: $6,334 NZD|Low: $751 NZD|High: $7,026 NZD|Avg: $2,424 NZD|-9.8%
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
November 1, 2026
Retailer 7$751 NZD
Retailer 12$1,105 NZD
Retailer 9$1,109 NZD
Retailer 6$1,405 NZD
Retailer 2$1,510 NZD
Retailer 11$1,576 NZD
Retailer 5$1,923 NZD
Retailer 8$2,011 NZD
Retailer 10$2,136 NZD
Retailer 16$2,331 NZD
Retailer 14$2,677 NZD
Retailer 3$3,110 NZD
Retailer 4$3,208 NZD
Retailer 15$3,387 NZD
Retailer 13$4,968 NZD
Brilliant Earth$6,334 NZD

41 data points across 16 retailers

25 retailers$751 NZD to $6,334 NZD

Retailer 1
-
$671 NZD
$378 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$751 NZD
$423 USD
View
Final sale: no returns
Retailer 3
-
$751 NZD
$423 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$830 NZD
$468 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$830 NZD
$468 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$1,105 NZD
$623 USD
View
A
Retailer 7
-
$1,109 NZD
$625 USD
View
A
Retailer 8
-
$1,405 NZD
$792 USD
View
A
Retailer 9
-
$1,510 NZD
£670 GBP
View
A
Retailer 10
-
$1,576 NZD
ZAR 14,350 ZAR
View
A
Retailer 11
-
$1,604 NZD
$904 USD
View
B+
Retailer 12
-
$1,923 NZD
$1,084 USD
View
B+
Retailer 13
-
$2,011 NZD
$1,133 USD
View
B+
Retailer 14
-
$2,136 NZD
A$1,852 AUD
View
B+
Retailer 15
-
$2,331 NZD
$1,314 USD
View
B+
Retailer 16
-
$2,677 NZD
£1,188 GBP
View
Retailer 17
-
$2,949 NZD
$1,662 USD
View
Price last confirmed 16 days ago
B+
Retailer 18
-
$3,110 NZD
$1,753 USD
View
B+
Retailer 19
-
$3,110 NZD
$1,753 USD
View
B
Retailer 20
-
$3,208 NZD
$1,808 USD
View
B
Retailer 21
-
$3,219 NZD
$1,814 USD
View
Retailer 22
-
$3,387 NZD
£1,503 GBP
View
Price last confirmed 15 days ago
B
Retailer 23
-
$4,968 NZD
$2,800 USD
View
B
Retailer 24
-
$5,944 NZD
$3,350 USD
View
Most Expensive
B
Brilliant Earth
18397049Y · Oct 31
$6,334 NZD
$3,570 USD
View
24 more retailers have this diamond
Prices start from $751 NZDSave up to $5,584 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
1.61ct Radiant
$751 NZD