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Oval|Lab Grown|IGI

1.68ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG790681891

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790681891

Diamond specifications and retailer prices

From $262 USD
As of October 29, 2026
Save $3,198 USD (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,460 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.68ct lab-grown oval diamond

This 1.68ct 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 LG790681891 or 790681891. Listed at 23 retailers as of October 29, 2026, with prices from $262 to $3,460, a $3,198 spread on the same certified stone. Brilliant Earth lists it at $3,460. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790681891
Dimensions9.63 × 6.75 × 4.21 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
9.63 mm6.75 mm1.68 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790681891
Side View
Table 59.0%Crown 35.6°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

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: $634 USD|Low: $262 USD|High: $2,590 USD|Avg: $1,002 USD|-10.4%
Retailer 1
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Retailer 22
October 31, 2026
Retailer 2$262 USD
Retailer 11$293 USD
Retailer 8$304 USD
Retailer 3$325 USD
Retailer 19$485 USD
Retailer 14$542 USD
Retailer 18$616 USD
Retailer 1$634 USD
Retailer 9$669 USD
Retailer 12$707 USD
Retailer 17$834 USD
Retailer 21$899 USD
Retailer 10$957 USD
Retailer 7$1,152 USD
Retailer 5$1,277 USD
Retailer 13$1,318 USD
Retailer 6$1,355 USD
Retailer 22$1,402 USD
Retailer 16$1,444 USD
Retailer 15$1,816 USD
Retailer 4$2,330 USD
Retailer 20$2,590 USD

41 data points across 22 retailers

23 retailers$262 USD to $3,460 USD

A
Cheapest Retailer
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$262 USD
A
Retailer 2
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$293 USD
View
Final sale: no returns
A
Retailer 3
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$304 USD
View
A
Retailer 4
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$325 USD
View
A
Retailer 5
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$485 USD
View
A
Retailer 6
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$542 USD
View
A
Retailer 7
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$616 USD
ZAR 9,952 ZAR
View
A
Retailer 8
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$634 USD
£499 GBP
View
A
Retailer 9
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$669 USD
View
A
Retailer 10
-
$707 USD
A$1,088 AUD
View
A
Retailer 11
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$834 USD
A$1,283 AUD
View
A
Retailer 12
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$899 USD
View
A
Retailer 13
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$957 USD
View
B+
Retailer 14
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$1,152 USD
View
B+
Retailer 15
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$1,277 USD
View
B+
Retailer 16
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$1,318 USD
View
B+
Retailer 17
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$1,355 USD
SGD 1,831 SGD
View
B+
Retailer 18
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$1,402 USD
£1,104 GBP
View
B+
Retailer 19
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$1,444 USD
£1,137 GBP
View
Retailer 20
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$1,816 USD
A$2,794 AUD
View
Price last confirmed 29 days ago
B
Retailer 21
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$2,330 USD
View
B
Retailer 22
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$2,590 USD
View
Most Expensive
B
Brilliant Earth
22138481Y · Oct 31
$3,460 USD
View
22 more retailers have this diamond
Prices start from $262 USDSave up to $3,198 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
1.68ct Oval
$262 USD