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Oval|Lab Grown|IGI

1.65ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG756536005

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756536005

Diamond specifications and retailer prices

From $275 USD
As of October 29, 2026
Save $3,135 USD (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,410 USD at Brilliant Earth · As of October 29, 2026
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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756536005 or 756536005. Listed at 23 retailers as of October 29, 2026, with prices from $275 to $3,410, a $3,135 spread on the same certified stone. Brilliant Earth lists it at $3,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756536005
Dimensions9.61 × 6.71 × 9.61 mm
L/W Ratio1.43
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
9.61 mm6.71 mm1.65 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756536005
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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 29
Current: $3,410 USD|Low: $307 USD|High: $3,410 USD|Avg: $1,107 USD
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 8$307 USD
Retailer 16$500 USD
Retailer 17$559 USD
Retailer 10$564 USD
Retailer 15$585 USD
Retailer 2$598 USD
Retailer 6$683 USD
Retailer 13$688 USD
Retailer 14$792 USD
Retailer 19$850 USD
Retailer 3$1,093 USD
Retailer 9$1,145 USD
Retailer 7$1,182 USD
Retailer 4$1,213 USD
Retailer 5$1,326 USD
Retailer 12$1,372 USD
Retailer 11$1,788 USD
Retailer 18$2,590 USD
Brilliant Earth$3,410 USD

40 data points across 19 retailers

23 retailers$275 USD to $3,410 USD

A
Cheapest Retailer
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$275 USD
A
Retailer 2
-
$307 USD
View
Final sale: no returns
A
Retailer 3
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$319 USD
View
A
Retailer 4
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$341 USD
View
A
Retailer 5
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$500 USD
View
A
Retailer 6
-
$559 USD
€532 EUR
View
A
Retailer 7
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$564 USD
View
A
Retailer 8
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$585 USD
ZAR 9,452 ZAR
View
A
Retailer 9
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$598 USD
£471 GBP
View
A
Retailer 10
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$683 USD
View
A
Retailer 11
-
$688 USD
A$1,058 AUD
View
A
Retailer 12
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$792 USD
A$1,218 AUD
View
A
Retailer 13
-
$850 USD
View
A
Retailer 14
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$1,093 USD
SGD 1,477 SGD
View
A
Retailer 15
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$1,095 USD
View
B+
Retailer 16
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$1,145 USD
View
B+
Retailer 17
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$1,182 USD
View
B+
Retailer 18
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$1,213 USD
View
B+
Retailer 19
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$1,326 USD
£1,044 GBP
View
B+
Retailer 20
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$1,372 USD
£1,080 GBP
View
Retailer 21
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$1,788 USD
A$2,750 AUD
View
Price last confirmed 21 days ago
Retailer 22
-
$2,590 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16906427A · Oct 29
$3,410 USD
View
22 more retailers have this diamond
Prices start from $275 USDSave up to $3,135 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.65ct Oval
$275 USD