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Oval|Lab Grown|IGI

1.68ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG783613978

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783613978

Diamond specifications and retailer prices

From $594 SGD
$465 USD
As of November 1, 2026
Save $4,238 SGD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,832 SGD at Brilliant Earth · As of November 1, 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 LG783613978 or 783613978. Listed at 10 retailers as of November 1, 2026, with prices from $594 to $4,832, a $4,238 spread on the same certified stone. Brilliant Earth lists it at $4,832. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783613978
Dimensions9.62 × 6.66 × 4.14 mm
L/W Ratio1.44
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
9.62 mm6.66 mm1.68 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783613978
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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: $4,832 SGD|Low: $594 SGD|High: $5,254 SGD|Avg: $1,892 SGD|-8.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$594 SGD
Retailer 2$773 SGD
Retailer 7$785 SGD
Retailer 4$848 SGD
Retailer 6$1,487 SGD
Retailer 5$1,562 SGD
Retailer 3$1,773 SGD
Retailer 9$3,305 SGD
Brilliant Earth$4,832 SGD

41 data points across 9 retailers

10 retailers$594 SGD to $4,832 SGD

Retailer 1
-
$540 SGD
HK$3,300 HKD
Price last confirmed 58 days ago
B+
Retailer 2
-
$594 SGD
$465 USD
View
A
Retailer 3
-
$773 SGD
£476 GBP
View
A
Retailer 4
-
$785 SGD
$614 USD
View
A
Retailer 5
-
$848 SGD
€632 EUR
View
B+
Retailer 6
-
$1,487 SGD
$1,163 USD
View
B+
Retailer 7
-
$1,562 SGD
$1,222 USD
View
B+
Retailer 8
-
$1,773 SGD
£1,092 GBP
View
Retailer 9
-
$3,305 SGD
$2,585 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20286509A · Nov 1
$4,832 SGD
$3,780 USD
View
9 more retailers have this diamond
Prices start from $594 SGDSave up to $4,238 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
$594 SGD