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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784645655

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

Certificate IGI LG784645655

Diamond specifications and retailer prices

From $900 NZD
$507 USD
As of October 30, 2026
Save $7,085 NZD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,984 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 LG784645655 or 784645655. Listed at 14 retailers as of October 30, 2026, with prices from $900 to $7,984, a $7,085 spread on the same certified stone. Do Amore Diamonds lists it at $7,984. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645655
Dimensions8.56 × 5.94 × 3.89 mm
L/W Ratio1.44
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
8.56 mm5.94 mm1.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645655
Side View
Table 62.0%Crown 40.3°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: $7,984 NZD|Low: $884 NZD|High: $9,883 NZD|Avg: $3,634 NZD|-18.5%
Do Amore Diamonds
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
October 31, 2026
Retailer 9$900 NZD
Retailer 14$1,008 NZD
Retailer 6$1,238 NZD
Retailer 2$1,357 NZD
Retailer 11$1,363 NZD
Retailer 10$1,733 NZD
Retailer 5$1,861 NZD
Retailer 4$1,969 NZD
Retailer 12$2,880 NZD
Retailer 13$3,240 NZD
Retailer 8$5,377 NZD
Retailer 7$6,707 NZD
Retailer 3$7,150 NZD
Do Amore Diamonds$7,984 NZD

36 data points across 14 retailers

14 retailers$900 NZD to $7,984 NZD

A+
Cheapest Retailer
-
$900 NZD
$507 USD
A
Retailer 2
-
$1,008 NZD
$568 USD
View
A
Retailer 3
-
$1,238 NZD
$698 USD
View
Final sale: no returns
A
Retailer 4
-
$1,357 NZD
$765 USD
View
A
Retailer 5
-
$1,363 NZD
$768 USD
View
A
Retailer 6
-
$1,733 NZD
$977 USD
View
A
Retailer 7
-
$1,861 NZD
$1,049 USD
View
Retailer 8
-
$1,969 NZD
€1,057 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$2,880 NZD
$1,623 USD
View
B+
Retailer 10
-
$3,240 NZD
$1,826 USD
View
B
Retailer 11
-
$5,377 NZD
£2,386 GBP
View
B
Retailer 12
-
$6,707 NZD
$3,780 USD
View
B
Retailer 13
-
$7,150 NZD
$4,030 USD
View
Most Expensive
B
Do Amore Diamonds
27-040B88D2D · Oct 30
$7,984 NZD
$4,500 USD
View
13 more retailers have this diamond
Prices start from $900 NZDSave up to $7,085 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+
1.70ct Radiant
$900 NZD