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Emerald|Lab Grown|IGI

1.23ct D VVS1 Emerald Lab Grown Diamond

ID • D/VVS1 • IGI LG837640728

Shape and cutting style on the report: Emerald cut

Certificate IGI LG837640728

Diamond specifications and retailer prices

From $307 NZD
As of November 4, 2026
Save $1,973 NZD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,060 NZD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.23ct lab-grown emerald diamond

This 1.23ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837640728 or 837640728. Listed at 22 retailers as of November 4, 2026, with a 643% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle44.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837640728
Dimensions7.81 × 4.83 × 3.34 mm
L/W Ratio1.62
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm4.83 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837640728
Side View
Table 62.0%Crown 36.8°Girdle: MediumPavilion 44.1°Culet: LargeDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $672 NZD|Low: $307 NZD|High: $2,299 NZD|Avg: $1,011 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 11
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Retailer 21
November 5, 2026
Retailer 16$307 NZD
Retailer 12$344 NZD
Retailer 20$357 NZD
Retailer 3$380 NZD
Retailer 13$387 NZD
Retailer 15$514 NZD
Retailer 9$640 NZD
Retailer 5$660 NZD
Retailer 1$672 NZD
Retailer 4$931 NZD
Retailer 8$958 NZD
Retailer 11$1,041 NZD
Retailer 17$1,222 NZD
Retailer 18$1,256 NZD
Retailer 19$1,291 NZD
Retailer 21$1,318 NZD
Retailer 10$1,471 NZD
Retailer 6$1,739 NZD
Retailer 7$1,788 NZD
Retailer 14$2,200 NZD
Retailer 2$2,280 NZD

24 data points across 21 retailers

22 retailers$307 NZD to $2,280 NZD

A
Cheapest Retailer
-
$307 NZD
A
Retailer 2
-
$344 NZD
View
Final sale: no returns
A
Retailer 3
-
$357 NZD
View
A
Retailer 4
-
$380 NZD
View
Retailer 5
-
$387 NZD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$514 NZD
View
Retailer 7
-
$640 NZD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$660 NZD
View
A
Retailer 9
-
$672 NZD
View
A
Retailer 10
-
$931 NZD
View
A
Retailer 11
-
$958 NZD
View
B+
Retailer 12
-
$1,041 NZD
View
B+
Retailer 13
-
$1,222 NZD
View
B+
Retailer 14
-
$1,256 NZD
View
B+
Retailer 15
-
$1,291 NZD
View
B+
Retailer 16
-
$1,318 NZD
View
Retailer 17
-
$1,471 NZD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$1,739 NZD
View
B
Retailer 19
-
$1,788 NZD
View
B
Retailer 20
-
$2,200 NZD
View
B
Retailer 21
-
$2,280 NZD
View
Most Expensive
Helzberg Diamonds
ZXZOJNMKGNIO · Oct 13
$3,060 NZD
$1,725 USD
View
Price last confirmed 23 days ago
21 more retailers have this diamond
Prices start from $307 NZDSave up to $1,973 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
1.23ct Emerald
$307 NZD