Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

D/IF • IGI LG768631244

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

Certificate IGI LG768631244

Diamond specifications and retailer prices

From $905 NZD
$510 USD
As of October 26, 2026
Save $5,642 NZD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,547 NZD at Brilliant Earth · As of October 26, 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) and certified by IGI LG768631244 or 768631244. Listed at 15 retailers as of October 26, 2026, with prices from $905 to $6,547, a $5,642 spread on the same certified stone. Brilliant Earth lists it at $6,547. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631244
Dimensions8.07 × 8.07 × 5.76 mm
L/W Ratio1.00
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
8.07 mm8.07 mm1.60 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631244
Side View
Table 64.0%Crown 40.5°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 69.6%

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 26
Current: $6,547 NZD|Low: $426 NZD|High: $6,742 NZD|Avg: $2,218 NZD|-2.9%
Brilliant Earth
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 19
October 26, 2026
Retailer 7$426 NZD
Retailer 5$488 NZD
Retailer 2$905 NZD
Retailer 19$976 NZD
Retailer 14$985 NZD
Retailer 3$1,086 NZD
Retailer 10$1,415 NZD
Retailer 17$1,537 NZD
Retailer 11$1,548 NZD
Retailer 4$1,567 NZD
Retailer 13$1,822 NZD
Retailer 18$1,890 NZD
Retailer 15$2,104 NZD
Retailer 16$2,627 NZD
Retailer 6$3,070 NZD
Retailer 9$3,098 NZD
Retailer 12$4,241 NZD
Retailer 8$4,716 NZD
Brilliant Earth$6,547 NZD

22 data points across 19 retailers

15 retailers$905 NZD to $6,547 NZD

Retailer 1
-
$488 NZD
$275 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$905 NZD
$510 USD
View
Retailer 3
-
$976 NZD
$550 USD
View
Price last confirmed 6 days ago
Retailer 4
-
$985 NZD
$555 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$1,086 NZD
€583 EUR
View
Price last confirmed 9 days ago
Retailer 6
-
$1,537 NZD
A$1,333 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,567 NZD
$883 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$1,822 NZD
$1,027 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$1,890 NZD
$1,065 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$2,104 NZD
$1,186 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$2,627 NZD
£1,166 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
$3,070 NZD
A$2,662 AUD
View
Price last confirmed 25 days ago
Retailer 13
-
$4,241 NZD
$2,390 USD
View
Price last confirmed 7 days ago
Retailer 14
-
$4,716 NZD
$2,658 USD
View
Price last confirmed 54 days ago
Most Expensive
B
Brilliant Earth
18070553Y · Oct 26
$6,547 NZD
$3,690 USD
View
14 more retailers have this diamond
Prices start from $905 NZDSave up to $5,642 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
$905 NZD