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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 $378 SGD
$295 USD
As of October 29, 2026
Save $1,512 SGD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,890 SGD 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 $378 to $1,890, a $1,512 spread on the same certified stone. MOH London lists it at $1,890. 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
Colour
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: $1,890 SGD|Low: $302 SGD|High: $1,901 SGD|Avg: $977 SGD|-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$378 SGD
Retailer 11$423 SGD
Retailer 10$438 SGD
Retailer 2$524 SGD
Retailer 9$768 SGD
Retailer 5$769 SGD
Retailer 4$845 SGD
Retailer 12$1,074 SGD
Retailer 3$1,257 SGD
Retailer 6$1,441 SGD
Retailer 8$1,507 SGD
MOH London$1,890 SGD

36 data points across 12 retailers

9 retailers$378 SGD to $1,890 SGD

A
Cheapest Retailer
-
$378 SGD
$295 USD
A
Retailer 2
-
$423 SGD
$330 USD
View
Final sale: no returns
A
Retailer 3
-
$438 SGD
$342 USD
View
A
Retailer 4
-
$524 SGD
£322 GBP
View
B+
Retailer 5
-
$768 SGD
$599 USD
View
A
Retailer 6
-
$769 SGD
$600 USD
View
B
Retailer 7
-
$1,441 SGD
$1,124 USD
View
B
Retailer 8
-
$1,507 SGD
$1,176 USD
View
Most Expensive
B
MOH London
LG698525958 · Oct 29
$1,890 SGD
£1,161 GBP
View
8 more retailers have this diamond
Prices start from $378 SGDSave up to $1,512 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
$378 SGD