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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 $510 CAD
$365 USD
As of October 30, 2026
Save $4,421 CAD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,931 CAD at Brilliant Earth · As of October 30, 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 $510 to $4,931, a $4,421 spread on the same certified stone. Brilliant Earth lists it at $4,931. 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
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707550338
Dimensions5.91 × 5.91 × 8.18 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
5.91 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

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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: $4,931 CAD|Low: $485 CAD|High: $5,518 CAD|Avg: $1,725 CAD|-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
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 4$510 CAD
Retailer 2$571 CAD
Retailer 20$591 CAD
Retailer 7$633 CAD
Retailer 11$633 CAD
Retailer 19$845 CAD
Retailer 6$995 CAD
Retailer 8$1,011 CAD
Retailer 22$1,056 CAD
Retailer 18$1,086 CAD
Retailer 13$1,138 CAD
Retailer 16$1,467 CAD
Retailer 9$1,583 CAD
Retailer 3$1,682 CAD
Retailer 5$2,032 CAD
Retailer 12$2,088 CAD
Retailer 15$2,309 CAD
Retailer 10$2,403 CAD
Retailer 17$2,484 CAD
Retailer 14$2,517 CAD
Retailer 21$4,079 CAD
Brilliant Earth$4,931 CAD

34 data points across 22 retailers

25 retailers$510 CAD to $4,931 CAD

A
Cheapest Retailer
-
$510 CAD
$365 USD
A
Retailer 2
-
$571 CAD
$409 USD
View
Final sale: no returns
A
Retailer 3
-
$591 CAD
$423 USD
View
A
Retailer 4
-
$633 CAD
$453 USD
View
A
Retailer 5
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$633 CAD
$453 USD
View
A
Retailer 6
-
$845 CAD
$605 USD
View
A
Retailer 7
-
$995 CAD
$712 USD
View
A
Retailer 8
-
$1,011 CAD
$724 USD
View
A
Retailer 9
-
$1,056 CAD
€720 EUR
View
A
Retailer 10
-
$1,086 CAD
ZAR 12,565 ZAR
View
A
Retailer 11
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$1,138 CAD
£641 GBP
View
A
Retailer 12
-
$1,467 CAD
A$1,616 AUD
View
B+
Retailer 13
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$1,583 CAD
$1,133 USD
View
B+
Retailer 14
-
$1,682 CAD
$1,204 USD
View
B+
Retailer 15
-
$2,032 CAD
$1,455 USD
View
B+
Retailer 16
-
$2,088 CAD
$1,495 USD
View
B+
Retailer 17
-
$2,126 CAD
$1,522 USD
View
B+
Retailer 18
-
$2,309 CAD
$1,653 USD
View
B+
Retailer 19
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$2,366 CAD
$1,694 USD
View
B
Retailer 20
-
$2,403 CAD
$1,720 USD
View
B+
Retailer 21
-
$2,484 CAD
£1,400 GBP
View
Retailer 22
-
$2,517 CAD
A$2,772 AUD
View
Price last confirmed 22 days ago
Retailer 23
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$3,930 CAD
$2,813 USD
View
Price last confirmed 60 days ago
B
Retailer 24
-
$4,079 CAD
$2,920 USD
View
Most Expensive
B
Brilliant Earth
15466022A · Oct 30
$4,931 CAD
$3,530 USD
View
24 more retailers have this diamond
Prices start from $510 CADSave up to $4,421 CAD

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
$510 CAD