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Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG708567347

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

Certificate IGI LG708567347

Diamond specifications and retailer prices

From $444 AUD
$312 USD
As of October 30, 2026
Save $4,353 AUD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,798 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.65ct lab-grown radiant diamond

This 1.65ct 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 LG708567347 or 708567347. Listed at 27 retailers as of October 30, 2026, with prices from $444 to $4,798, a $4,353 spread on the same certified stone. Brilliant Earth lists it at $4,798. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708567347
Dimensions8.90 × 5.99 × 3.85 mm
L/W Ratio1.49
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
8.90 mm5.99 mm1.65 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708567347
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 35.3°Culet: NoneDepth 64.3%

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 30
Current: $4,798 AUD|Low: $444 AUD|High: $5,481 AUD|Avg: $1,727 AUD|-12.5%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 4$444 AUD
Retailer 14$497 AUD
Retailer 23$515 AUD
Retailer 7$551 AUD
Retailer 15$551 AUD
Retailer 22$765 AUD
Retailer 21$769 AUD
Retailer 13$799 AUD
Retailer 6$925 AUD
Retailer 20$1,044 AUD
Retailer 2$1,091 AUD
Retailer 3$1,323 AUD
Retailer 19$1,409 AUD
Retailer 8$1,614 AUD
Retailer 5$1,953 AUD
Retailer 11$2,114 AUD
Retailer 16$2,179 AUD
Retailer 10$2,200 AUD
Retailer 17$2,227 AUD
Retailer 12$2,365 AUD
Retailer 18$2,387 AUD
Retailer 9$3,943 AUD
Retailer 24$3,943 AUD
Brilliant Earth$4,798 AUD

37 data points across 24 retailers

27 retailers$444 AUD to $4,798 AUD

A
Cheapest Retailer
-
$444 AUD
$312 USD
A
Retailer 2
-
$497 AUD
$349 USD
View
Final sale: no returns
A
Retailer 3
-
$515 AUD
$362 USD
View
A
Retailer 4
-
$551 AUD
$387 USD
View
A
Retailer 5
-
$551 AUD
$387 USD
View
A
Retailer 6
-
$765 AUD
HK$4,200 HKD
View
A
Retailer 7
-
$769 AUD
$540 USD
View
A
Retailer 8
-
$799 AUD
$561 USD
View
A
Retailer 9
-
$925 AUD
$650 USD
View
A
Retailer 10
-
$1,044 AUD
ZAR 11,844 ZAR
View
A
Retailer 11
-
$1,091 AUD
£603 GBP
View
A
Retailer 12
-
$1,323 AUD
$929 USD
View
A
Retailer 13
-
$1,409 AUD
View
B+
Retailer 14
-
$1,614 AUD
$1,134 USD
View
B+
Retailer 15
-
$1,953 AUD
$1,372 USD
View
B+
Retailer 16
-
$2,076 AUD
$1,458 USD
View
B+
Retailer 17
-
$2,114 AUD
$1,485 USD
View
B+
Retailer 18
-
$2,179 AUD
$1,531 USD
View
B+
Retailer 19
-
$2,200 AUD
$1,545 USD
View
B+
Retailer 20
-
$2,227 AUD
SGD 2,114 SGD
View
B+
Retailer 21
-
$2,365 AUD
£1,308 GBP
View
B+
Retailer 22
-
$2,387 AUD
£1,320 GBP
View
B
Retailer 23
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$3,943 AUD
$2,770 USD
View
B
Retailer 24
-
$3,943 AUD
$2,770 USD
View
Retailer 25
-
$4,132 AUD
$2,902 USD
View
Price last confirmed 103 days ago
B
Retailer 26
-
$4,303 AUD
£2,380 GBP
View
Most Expensive
B
Brilliant Earth
20152276Y · Oct 31
$4,798 AUD
$3,370 USD
View
26 more retailers have this diamond
Prices start from $444 AUDSave up to $4,353 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
1.65ct Radiant
$444 AUD