CaratHunter
Plans
Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG707550338

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

Certificate IGI LG707550338

Diamond specifications and retailer prices

From $520 AUD
$365 USD
As of October 30, 2026
Save $4,506 AUD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,025 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 very-good cut grade and certified by IGI LG707550338 or 707550338. Listed at 25 retailers as of October 30, 2026, with prices from $520 to $5,025, a $4,506 spread on the same certified stone. Brilliant Earth lists it at $5,025. 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

1.65
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707550338
Dimensions8.18 × 5.91 × 4.03 mm
L/W Ratio1.38
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
8.18 mm5.91 mm1.65 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707550338
Side View
Table 65.0%Crown 43.2°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
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: $5,025 AUD|Low: $494 AUD|High: $5,623 AUD|Avg: $1,771 AUD|-10.6%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 6$520 AUD
Retailer 18$582 AUD
Retailer 3$602 AUD
Retailer 9$645 AUD
Retailer 14$645 AUD
Retailer 22$861 AUD
Retailer 8$1,014 AUD
Retailer 10$1,031 AUD
Retailer 13$1,079 AUD
Retailer 21$1,107 AUD
Retailer 16$1,162 AUD
Retailer 19$1,495 AUD
Retailer 11$1,613 AUD
Retailer 5$1,714 AUD
Retailer 7$2,071 AUD
Retailer 15$2,128 AUD
Retailer 2$2,433 AUD
Retailer 12$2,449 AUD
Retailer 20$2,531 AUD
Retailer 17$2,535 AUD
Retailer 4$4,157 AUD
Brilliant Earth$5,025 AUD

34 data points across 22 retailers

25 retailers$520 AUD to $5,025 AUD

A
Cheapest Retailer
-
$520 AUD
$365 USD
A
Retailer 2
-
$582 AUD
$409 USD
View
Final sale: no returns
A
Retailer 3
-
$602 AUD
$423 USD
View
A
Retailer 4
-
$645 AUD
$453 USD
View
A
Retailer 5
-
$645 AUD
$453 USD
View
A
Retailer 6
-
$861 AUD
$605 USD
View
A
Retailer 7
-
$1,014 AUD
$712 USD
View
A
Retailer 8
-
$1,031 AUD
$724 USD
View
A
Retailer 9
-
$1,079 AUD
€722 EUR
View
A
Retailer 10
-
$1,107 AUD
ZAR 12,565 ZAR
View
A
Retailer 11
-
$1,162 AUD
£643 GBP
View
A
Retailer 12
-
$1,495 AUD
View
B+
Retailer 13
-
$1,613 AUD
$1,133 USD
View
B+
Retailer 14
-
$1,714 AUD
$1,204 USD
View
B+
Retailer 15
-
$2,071 AUD
$1,455 USD
View
B+
Retailer 16
-
$2,128 AUD
$1,495 USD
View
B+
Retailer 17
-
$2,167 AUD
$1,522 USD
View
B+
Retailer 18
-
$2,353 AUD
$1,653 USD
View
B
Retailer 19
-
$2,433 AUD
$1,709 USD
View
B
Retailer 20
-
$2,449 AUD
$1,720 USD
View
B+
Retailer 21
-
$2,531 AUD
£1,400 GBP
View
B+
Retailer 22
-
$2,535 AUD
View
Retailer 23
-
$4,005 AUD
$2,813 USD
View
Price last confirmed 61 days ago
B
Retailer 24
-
$4,157 AUD
$2,920 USD
View
Most Expensive
B
Brilliant Earth
15466022A · Oct 31
$5,025 AUD
$3,530 USD
View
24 more retailers have this diamond
Prices start from $520 AUDSave up to $4,506 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
$520 AUD