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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 $722 AUD
$507 USD
As of October 30, 2026
Save $5,684 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,406 AUD 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 $722 to $6,406, a $5,684 spread on the same certified stone. Do Amore Diamonds lists it at $6,406. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,406 AUD|Low: $709 AUD|High: $7,929 AUD|Avg: $2,926 AUD|-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 30, 2026
Retailer 9$722 AUD
Retailer 14$809 AUD
Retailer 6$994 AUD
Retailer 8$1,068 AUD
Retailer 11$1,093 AUD
Retailer 10$1,391 AUD
Retailer 5$1,493 AUD
Retailer 4$1,580 AUD
Retailer 12$2,311 AUD
Retailer 13$2,599 AUD
Retailer 7$4,314 AUD
Retailer 2$5,381 AUD
Retailer 3$5,737 AUD
Do Amore Diamonds$6,406 AUD

35 data points across 14 retailers

14 retailers$722 AUD to $6,406 AUD

A+
Cheapest Retailer
-
$722 AUD
$507 USD
A
Retailer 2
-
$809 AUD
$568 USD
View
A
Retailer 3
-
$994 AUD
$698 USD
View
Final sale: no returns
A
Retailer 4
-
$1,068 AUD
$750 USD
View
A
Retailer 5
-
$1,093 AUD
$768 USD
View
A
Retailer 6
-
$1,391 AUD
$977 USD
View
A
Retailer 7
-
$1,493 AUD
$1,049 USD
View
Retailer 8
-
$1,580 AUD
€1,057 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$2,311 AUD
$1,623 USD
View
B+
Retailer 10
-
$2,599 AUD
$1,826 USD
View
B
Retailer 11
-
$4,314 AUD
£2,386 GBP
View
B
Retailer 12
-
$5,381 AUD
$3,780 USD
View
B
Retailer 13
-
$5,737 AUD
$4,030 USD
View
Most Expensive
B
Do Amore Diamonds
27-040B88D2D · Oct 30
$6,406 AUD
$4,500 USD
View
13 more retailers have this diamond
Prices start from $722 AUDSave up to $5,684 AUD

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
$722 AUD