Oval|Lab Grown|IGI

1.65ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG831651022

Certificate IGI LG831651022

Diamond specifications and retailer prices

From $620 USD
Save $4,200 USD (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,460 USD at Brilliant Earth
View at Brilliant Earth

About this 1.65ct lab-grown oval diamond

This 1.65ct lab-grown oval 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 LG831651022 or 831651022. Listed at 27 retailers, with a 677% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831651022
Dimensions9.84 × 6.57 × 4.04 mm
L/W Ratio1.50
Girdle conditionFaceted
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
9.84 mm6.57 mm1.65 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831651022
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $5,460 USD|Low: $482 USD|High: $5,460 USD|Avg: $1,939 USD
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
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
October 1, 2026
Retailer 27$620 USD
Retailer 18$695 USD
Retailer 16$738 USD
Retailer 19$759 USD
Retailer 12$769 USD
Retailer 14$805 USD
Retailer 23$885 USD
Retailer 2$906 USD
Retailer 22$995 USD
Retailer 6$1,014 USD
Retailer 25$1,197 USD
Retailer 24$1,268 USD
Retailer 5$1,430 USD
Retailer 17$1,909 USD
Retailer 3$1,980 USD
Retailer 10$2,138 USD
Retailer 11$2,233 USD
Retailer 13$2,266 USD
Retailer 21$2,406 USD
Retailer 8$2,516 USD
Retailer 9$2,535 USD
Retailer 28$2,844 USD
Retailer 20$3,068 USD
Retailer 15$3,337 USD
Retailer 26$3,386 USD
Retailer 4$4,709 USD
Retailer 7$4,820 USD
Brilliant Earth$5,460 USD

16 data points across 28 retailers

27 retailers$620 USD to $4,820 USD

A
Cheapest Retailer
-
$620 USD
A
Retailer 2
-
$695 USD
View
A
Retailer 3
-
$738 USD
View
A
Retailer 4
-
$759 USD
View
A
Retailer 5
-
$769 USD
View
A
Retailer 6
-
$805 USD
View
A
Retailer 7
-
$885 USD
View
A
Retailer 8
-
$906 USD
£714 GBP
View
A
Retailer 9
-
$995 USD
View
A
Retailer 10
-
$1,014 USD
View
B+
Retailer 11
-
$1,197 USD
View
B+
Retailer 12
-
$1,271 USD
£1,001 GBP
View
B+
Retailer 13
-
$1,430 USD
ZAR 23,109 ZAR
View
B
Retailer 14
-
$1,909 USD
View
B
Retailer 15
-
$1,980 USD
A$3,046 AUD
View
B
Retailer 16
-
$2,138 USD
View
B
Retailer 17
-
$2,233 USD
View
B
Retailer 18
-
$2,266 USD
£1,784 GBP
View
B
Retailer 19
-
$2,516 USD
View
B
Retailer 20
-
$2,535 USD
View
B
Retailer 21
-
$2,844 USD
View
B
Retailer 22
-
$3,068 USD
View
Price last confirmed 20 days ago
B
Retailer 23
-
$3,337 USD
View
B
Retailer 24
-
$3,386 USD
£2,666 GBP
View
B
Retailer 25
-
$4,709 USD
View
B
Retailer 26
-
$4,820 USD
View
Most Expensive
B
Brilliant Earth
21317748A · Sep 17
$5,460 USD
View
Price last confirmed 13 days ago
26 more retailers have this diamond
Prices start from $620 USDSave up to $4,200 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 Oval
$620 USD