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Oval|Lab Grown|IGI

1.68ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG698525958

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG698525958

Diamond specifications and retailer prices

From $295 USD
As of October 29, 2026
Save $1,179 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,474 USD at MOH London · As of October 29, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG698525958 or 698525958. Listed at 9 retailers as of October 29, 2026, with prices from $295 to $1,474, a $1,179 spread on the same certified stone. MOH London lists it at $1,474. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.68
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698525958
Dimensions9.66 × 6.67 × 4.11 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm6.67 mm1.68 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698525958
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.6%

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 29
Current: $1,474 USD|Low: $236 USD|High: $1,483 USD|Avg: $762 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$295 USD
Retailer 11$330 USD
Retailer 10$342 USD
Retailer 2$408 USD
Retailer 9$599 USD
Retailer 5$600 USD
Retailer 4$660 USD
Retailer 12$838 USD
Retailer 3$980 USD
Retailer 6$1,124 USD
Retailer 8$1,176 USD
MOH London$1,474 USD

36 data points across 12 retailers

9 retailers$295 USD to $1,474 USD

A
Cheapest Retailer
-
$295 USD
A
Retailer 2
-
$330 USD
View
Final sale: no returns
A
Retailer 3
-
$342 USD
View
A
Retailer 4
-
$408 USD
£322 GBP
View
B+
Retailer 5
-
$599 USD
View
A
Retailer 6
-
$600 USD
View
B
Retailer 7
-
$1,124 USD
View
B
Retailer 8
-
$1,176 USD
View
Most Expensive
B
MOH London
LG698525958 · Oct 29
$1,474 USD
£1,161 GBP
View
8 more retailers have this diamond
Prices start from $295 USDSave up to $1,179 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
$295 USD