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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 $335 SGD
$262 USD
As of November 1, 2026
Save $4,088 SGD (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,423 SGD 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 31, 2026, with prices from $335 to $4,423, a $4,088 spread on the same certified stone. Brilliant Earth lists it at $4,423. 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
Colour
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: Nov 1
Current: $1,836 SGD|Low: $335 SGD|High: $3,311 SGD|Avg: $1,304 SGD|-12.3%
Retailer 1
Retailer 2
Retailer 3
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Retailer 21
Retailer 22
November 1, 2026
Retailer 2$335 SGD
Retailer 11$375 SGD
Retailer 8$389 SGD
Retailer 3$415 SGD
Retailer 19$620 SGD
Retailer 14$693 SGD
Retailer 18$788 SGD
Retailer 12$804 SGD
Retailer 9$855 SGD
Retailer 16$904 SGD
Retailer 17$1,066 SGD
Retailer 21$1,149 SGD
Retailer 10$1,223 SGD
Retailer 7$1,473 SGD
Retailer 5$1,633 SGD
Retailer 13$1,685 SGD
Retailer 6$1,732 SGD
Retailer 22$1,792 SGD
Retailer 1$1,836 SGD
Retailer 15$2,322 SGD
Retailer 4$2,979 SGD
Retailer 20$3,311 SGD

41 data points across 22 retailers

23 retailers$335 SGD to $4,423 SGD

A
Cheapest Retailer
-
$335 SGD
$262 USD
A
Retailer 2
-
$375 SGD
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$389 SGD
$304 USD
View
A
Retailer 4
-
$415 SGD
$325 USD
View
A
Retailer 5
-
$620 SGD
$485 USD
View
A
Retailer 6
-
$693 SGD
$542 USD
View
A
Retailer 7
-
$788 SGD
ZAR 9,952 ZAR
View
A
Retailer 8
-
$804 SGD
£495 GBP
View
A
Retailer 9
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$855 SGD
$669 USD
View
A
Retailer 10
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$904 SGD
A$1,088 AUD
View
A
Retailer 11
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$1,066 SGD
A$1,283 AUD
View
A
Retailer 12
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$1,149 SGD
$899 USD
View
A
Retailer 13
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$1,223 SGD
$957 USD
View
B+
Retailer 14
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$1,473 SGD
$1,152 USD
View
B+
Retailer 15
-
$1,633 SGD
$1,277 USD
View
B+
Retailer 16
-
$1,685 SGD
$1,318 USD
View
B+
Retailer 17
-
$1,732 SGD
View
B+
Retailer 18
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$1,792 SGD
£1,104 GBP
View
B+
Retailer 19
-
$1,836 SGD
£1,131 GBP
View
Retailer 20
-
$2,322 SGD
A$2,794 AUD
View
Price last confirmed 30 days ago
B
Retailer 21
-
$2,979 SGD
$2,330 USD
View
B
Retailer 22
-
$3,311 SGD
$2,590 USD
View
Most Expensive
B
Brilliant Earth
22138481Y · Oct 31
$4,423 SGD
$3,460 USD
View
22 more retailers have this diamond
Prices start from $335 SGDSave up to $4,088 SGD

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
$335 SGD