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Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG801643111

Certificate IGI LG801643111

Diamond specifications and retailer prices

From $1,237 NZD
$697 USD
As of October 31, 2026
Save $999 NZD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,236 NZD at Jared · As of October 30, 2026
View at Jared

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801643111 or 801643111. Listed at 4 retailers as of October 30, 2026, with prices from $1,237 to $2,236, a $999 spread on the same certified stone. Jared lists it at $2,236. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG801643111
Dimensions10.53 × 5.71 × 3.60 mm
L/W Ratio1.84
Top View
10.53 mm5.71 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801643111
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,236 NZD|Low: $1,237 NZD|High: $3,371 NZD|Avg: $1,879 NZD|-33.7%
Jared
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2$1,237 NZD
Retailer 3$1,739 NZD
Retailer 4$1,739 NZD
Jared$2,236 NZD

2 data points across 4 retailers

4 retailers$1,237 NZD to $2,236 NZD

B+
Cheapest Retailer
-
$1,237 NZD
$697 USD
B
Retailer 2
-
$1,739 NZD
$980 USD
View
B
Retailer 3
-
$1,739 NZD
$980 USD
View
Most Expensive
B
Jared
159278235 · Oct 30
$2,236 NZD
$1,260 USD
View
3 more retailers have this diamond
Prices start from $1,237 NZDSave up to $999 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.

B+
1.23ct Marquise
$1,237 NZD