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Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG708567347

Certificate IGI LG708567347

Diamond specifications and retailer prices

From $416 USD
Save $3,554 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,970 USD at Brilliant Earth
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 22 retailers, with prices from $416 to $3,970 at Brilliant Earth, a $3,554 spread on the same certified stone. 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
Color
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 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $3,970 USD|Low: $296 USD|High: $4,050 USD|Avg: $1,576 USD|-2.0%
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
October 1, 2026
Retailer 5$416 USD
Retailer 10$627 USD
Retailer 13$661 USD
Retailer 18$700 USD
Retailer 3$720 USD
Retailer 14$831 USD
Retailer 17$857 USD
Retailer 9$943 USD
Retailer 16$1,190 USD
Retailer 6$1,241 USD
Retailer 20$1,494 USD
Retailer 7$1,735 USD
Retailer 11$1,791 USD
Retailer 19$1,826 USD
Retailer 4$1,890 USD
Retailer 2$2,014 USD
Retailer 15$2,855 USD
Retailer 12$3,023 USD
Retailer 8$3,300 USD
Brilliant Earth$3,970 USD

40 data points across 20 retailers

22 retailers$416 USD to $3,970 USD

A
Cheapest Retailer
-
$416 USD
A
Retailer 2
-
$627 USD
HK$4,900 HKD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$661 USD
View
A
Retailer 4
-
$700 USD
View
A
Retailer 5
-
$720 USD
View
A
Retailer 6
-
$831 USD
£654 GBP
View
A
Retailer 7
-
$857 USD
ZAR 13,849 ZAR
View
A
Retailer 8
-
$943 USD
View
A
Retailer 9
-
$1,190 USD
A$1,831 AUD
View
A
Retailer 10
-
$1,241 USD
View
B+
Retailer 11
-
$1,494 USD
£1,176 GBP
View
B+
Retailer 12
-
$1,735 USD
View
B+
Retailer 13
-
$1,791 USD
View
B+
Retailer 14
-
$1,826 USD
SGD 2,468 SGD
View
B+
Retailer 15
-
$1,854 USD
View
B+
Retailer 16
-
$1,890 USD
View
B+
Retailer 17
-
$2,014 USD
£1,586 GBP
View
B
Retailer 18
-
$2,855 USD
View
B
Retailer 19
-
$2,902 USD
View
Price last confirmed 72 days ago
B
Retailer 20
-
$3,023 USD
£2,380 GBP
View
B
Retailer 21
-
$3,300 USD
View
Most Expensive
B
Brilliant Earth
20152276Y · Oct 1
$3,970 USD
View
21 more retailers have this diamond
Prices start from $416 USDSave up to $3,554 USD

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.

A
1.65ct Radiant
$416 USD