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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 $465 USD
As of October 30, 2026
Save $3,475 USD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,940 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 LG783613978 or 783613978. Listed at 10 retailers as of October 30, 2026, with prices from $465 to $3,940, a $3,475 spread on the same certified stone. Brilliant Earth lists it at $3,940. 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
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: Oct 30
Current: $3,940 USD|Low: $422 USD|High: $4,110 USD|Avg: $1,382 USD|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10$422 USD
Retailer 8$465 USD
Retailer 3$610 USD
Retailer 7$614 USD
Retailer 2$664 USD
Retailer 6$1,163 USD
Retailer 5$1,222 USD
Retailer 4$1,394 USD
Retailer 9$2,585 USD
Brilliant Earth$3,940 USD

40 data points across 10 retailers

10 retailers$465 USD to $3,940 USD

Retailer 1
-
$422 USD
HK$3,300 HKD
Price last confirmed 57 days ago
B+
Retailer 2
-
$465 USD
View
A
Retailer 3
-
$610 USD
£480 GBP
View
A
Retailer 4
-
$614 USD
View
A
Retailer 5
-
$664 USD
€632 EUR
View
B+
Retailer 6
-
$1,163 USD
View
B+
Retailer 7
-
$1,222 USD
View
B+
Retailer 8
-
$1,394 USD
£1,098 GBP
View
Retailer 9
-
$2,585 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20286509A · Oct 31
$3,940 USD
View
9 more retailers have this diamond
Prices start from $465 USDSave up to $3,475 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
$465 USD