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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 $568 NZD
$320 USD
As of October 29, 2026
Save $2,267 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,835 NZD 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 $568 to $2,835, a $2,267 spread on the same certified stone. MOH London lists it at $2,835. 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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Price History

Last verified: Oct 29
Current: $2,835 NZD|Low: $703 NZD|High: $2,835 NZD|Avg: $1,304 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$703 NZD
Retailer 2$783 NZD
Retailer 4$1,065 NZD
Retailer 7$1,121 NZD
Retailer 8$1,143 NZD
Retailer 3$1,245 NZD
Retailer 6$2,064 NZD
MOH London$2,835 NZD

12 data points across 8 retailers

10 retailers$568 NZD to $2,835 NZD

A
Cheapest Retailer
-
$568 NZD
$320 USD
A
Retailer 2
-
$703 NZD
$396 USD
View
A
Retailer 3
-
$703 NZD
$396 USD
View
A
Retailer 4
-
$783 NZD
£347 GBP
View
B+
Retailer 5
-
$1,065 NZD
$600 USD
View
B+
Retailer 6
-
$1,121 NZD
$632 USD
View
B+
Retailer 7
-
$1,143 NZD
$644 USD
View
B+
Retailer 8
-
$1,245 NZD
£553 GBP
View
B
Retailer 9
-
$2,064 NZD
$1,163 USD
View
Most Expensive
B
MOH London
LG838621979 · Oct 29
$2,835 NZD
£1,258 GBP
View
9 more retailers have this diamond
Prices start from $568 NZDSave up to $2,267 NZD

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
$568 NZD