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Oval|Lab Grown|IGI

1.65ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG813664846

Certificate IGI LG813664846

Diamond specifications and retailer prices

From $349 USD
Save $2,426 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,775 USD at Rare Carat
View at Rare Carat

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 LG813664846 or 813664846. Listed at 17 retailers, with prices from $349 to $2,775 at Rare Carat, a $2,426 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 angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813664846
Dimensions9.37 × 6.76 × 4.19 mm
L/W Ratio1.39
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
9.37 mm6.76 mm1.65 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813664846
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $2,775 USD|Low: $241 USD|High: $2,775 USD|Avg: $1,235 USD|+6.3%
Rare Carat
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
October 1, 2026
Retailer 7$241 USD
Retailer 5$349 USD
Retailer 2$455 USD
Retailer 18$585 USD
Retailer 11$628 USD
Retailer 16$718 USD
Retailer 12$757 USD
Retailer 8$929 USD
Retailer 3$947 USD
Retailer 15$991 USD
Retailer 9$1,531 USD
Retailer 17$1,564 USD
Retailer 4$1,597 USD
Retailer 6$1,661 USD
Retailer 13$1,688 USD
Retailer 14$2,023 USD
Retailer 10$2,770 USD
Rare Carat$2,775 USD

40 data points across 18 retailers

17 retailers$349 USD to $2,775 USD

B+
Cheapest Retailer
-
$349 USD
B+
Retailer 2
-
$455 USD
£359 GBP
View
B+
Retailer 3
-
$585 USD
View
B+
Retailer 4
-
$628 USD
View
B+
Retailer 5
-
$718 USD
ZAR 11,600 ZAR
View
B+
Retailer 6
-
$758 USD
£597 GBP
View
B+
Retailer 7
-
$929 USD
View
B+
Retailer 8
-
$947 USD
View
B+
Retailer 9
-
$991 USD
A$1,524 AUD
View
B
Retailer 10
-
$1,531 USD
View
B
Retailer 11
-
$1,564 USD
SGD 2,114 SGD
View
B
Retailer 12
-
$1,597 USD
View
B
Retailer 13
-
$1,661 USD
£1,308 GBP
View
B
Retailer 14
-
$1,688 USD
£1,329 GBP
View
C
Retailer 15
-
$2,023 USD
A$3,113 AUD
View
C
Retailer 16
-
$2,770 USD
View
Most Expensive
C
Rare Carat
LB828 · Sep 28
$2,775 USD
View
16 more retailers have this diamond
Prices start from $349 USDSave up to $2,426 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.

B+
1.65ct Oval
$349 USD