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Oval|Lab Grown|IGI

1.65ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG740506124

Certificate IGI LG740506124

Diamond specifications and retailer prices

From $327 USD
Save $4,003 USD (92%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,330 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 LG740506124 or 740506124. Listed at 26 retailers, with prices from $327 to $4,330 at Brilliant Earth, a $4,003 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 angle36.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740506124
Dimensions6.61 × 6.61 × 9.13 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.61 mm6.61 mm1.65 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740506124
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: Sep 28
Current: $4,330 USD|Low: $260 USD|High: $4,330 USD|Avg: $1,149 USD
Brilliant Earth
Retailer 2
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Retailer 25
October 1, 2026
Retailer 8$327 USD
Retailer 5$370 USD
Retailer 25$379 USD
Retailer 10$400 USD
Retailer 14$405 USD
Retailer 2$433 USD
Retailer 11$545 USD
Retailer 3$615 USD
Retailer 4$643 USD
Retailer 6$668 USD
Retailer 23$682 USD
Retailer 15$688 USD
Retailer 19$716 USD
Retailer 7$918 USD
Retailer 22$941 USD
Retailer 17$1,192 USD
Retailer 24$1,303 USD
Retailer 18$1,348 USD
Retailer 12$1,570 USD
Retailer 16$1,599 USD
Retailer 20$1,645 USD
Retailer 9$1,675 USD
Retailer 13$2,052 USD
Retailer 21$2,835 USD
Brilliant Earth$4,330 USD

40 data points across 25 retailers

26 retailers$327 USD to $4,330 USD

A
Cheapest Retailer
-
$327 USD
A
Retailer 2
-
$370 USD
View
A
Retailer 3
-
$379 USD
View
A
Retailer 4
-
$400 USD
View
A
Retailer 5
-
$405 USD
View
A
Retailer 6
-
$433 USD
£341 GBP
View
A
Retailer 7
-
$545 USD
View
A
Retailer 8
-
$615 USD
View
A
Retailer 9
-
$643 USD
€612 EUR
View
A
Retailer 10
-
$668 USD
View
A
Retailer 11
-
$682 USD
ZAR 11,020 ZAR
View
A
Retailer 12
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$688 USD
A$1,058 AUD
View
A
Retailer 13
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$717 USD
£565 GBP
View
A
Retailer 14
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$918 USD
View
A
Retailer 15
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$941 USD
A$1,447 AUD
View
B+
Retailer 16
-
$1,192 USD
View
B+
Retailer 17
-
$1,303 USD
View
B+
Retailer 18
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$1,348 USD
View
B+
Retailer 19
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$1,527 USD
View
B+
Retailer 20
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$1,570 USD
£1,236 GBP
View
B+
Retailer 21
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$1,599 USD
View
B+
Retailer 22
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$1,645 USD
£1,295 GBP
View
B+
Retailer 23
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$1,675 USD
View
B
Retailer 24
-
$2,052 USD
A$3,157 AUD
View
B
Retailer 25
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$2,835 USD
View
Most Expensive
B
Brilliant Earth
16159642A · Sep 29
$4,330 USD
View
25 more retailers have this diamond
Prices start from $327 USDSave up to $4,003 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
$327 USD