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Oval|Lab Grown|IGI

1.68ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG838621979

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG838621979

Diamond specifications and retailer prices

From $409 SGD
$320 USD
As of October 29, 2026
Save $1,633 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,042 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 very-good cut grade and certified by IGI LG838621979 or 838621979. Listed at 10 retailers as of October 29, 2026, with prices from $409 to $2,042, a $1,633 spread on the same certified stone. MOH London lists it at $2,042. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.68
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838621979
Dimensions9.48 × 6.61 × 4.18 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.48 mm6.61 mm1.68 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG838621979
Side View
Table 65.0%Crown 35.1°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.2%

Caratlytics Score

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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: $2,042 SGD|Low: $506 SGD|High: $2,042 SGD|Avg: $935 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$506 SGD
Retailer 3$566 SGD
Retailer 4$767 SGD
Retailer 7$808 SGD
Retailer 8$823 SGD
Retailer 2$905 SGD
Retailer 6$1,487 SGD
MOH London$2,042 SGD

11 data points across 8 retailers

10 retailers$409 SGD to $2,042 SGD

A
Cheapest Retailer
-
$409 SGD
$320 USD
A
Retailer 2
-
$506 SGD
$396 USD
View
A
Retailer 3
-
$506 SGD
$396 USD
View
A
Retailer 4
-
$566 SGD
£349 GBP
View
B+
Retailer 5
-
$767 SGD
$600 USD
View
B+
Retailer 6
-
$808 SGD
$632 USD
View
B+
Retailer 7
-
$823 SGD
$644 USD
View
B+
Retailer 8
-
$905 SGD
£557 GBP
View
B
Retailer 9
-
$1,487 SGD
$1,163 USD
View
Most Expensive
B
MOH London
LG838621979 · Oct 29
$2,042 SGD
£1,258 GBP
View
9 more retailers have this diamond
Prices start from $409 SGDSave up to $1,633 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
$409 SGD