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Oval|Lab Grown|IGI

1.68ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG729573310

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG729573310

Diamond specifications and retailer prices

From $343 USD
As of October 30, 2026
Save $3,127 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,470 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 LG729573310 or 729573310. Listed at 10 retailers as of October 30, 2026, with prices from $343 to $3,470, a $3,127 spread on the same certified stone. Brilliant Earth lists it at $3,470. 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 angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729573310
Dimensions9.56 × 6.81 × 4.20 mm
L/W Ratio1.40
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
9.56 mm6.81 mm1.68 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729573310
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: $3,470 USD|Low: $343 USD|High: $3,700 USD|Avg: $1,578 USD|-6.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$343 USD
Retailer 4$575 USD
Retailer 2$610 USD
Retailer 3$677 USD
Retailer 8$1,221 USD
Retailer 9$1,307 USD
Retailer 5$1,534 USD
Retailer 6$2,585 USD
Brilliant Earth$3,470 USD

43 data points across 9 retailers

10 retailers$343 USD to $3,470 USD

A
Cheapest Retailer
-
$343 USD
Final sale: no returns
A
Retailer 2
-
$575 USD
View
A
Retailer 3
-
$610 USD
€581 EUR
View
A
Retailer 4
-
$677 USD
£533 GBP
View
B+
Retailer 5
-
$1,221 USD
SGD 1,650 SGD
View
B+
Retailer 6
-
$1,281 USD
View
B+
Retailer 7
-
$1,307 USD
View
B+
Retailer 8
-
$1,534 USD
£1,208 GBP
View
B
Retailer 9
-
$2,585 USD
View
Most Expensive
B
Brilliant Earth
15925909A · Oct 31
$3,470 USD
View
9 more retailers have this diamond
Prices start from $343 USDSave up to $3,127 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
$343 USD