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Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG817661945

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817661945

Diamond specifications and retailer prices

From $350 NZD
$197 USD
As of November 1, 2026
Save $3,009 NZD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,359 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817661945 or 817661945. Listed at 19 retailers as of November 1, 2026, with prices from $350 to $3,359, a $3,009 spread on the same certified stone. Do Amore Diamonds lists it at $3,359. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661945
Dimensions9.07 × 5.96 × 3.69 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.07 mm5.96 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661945
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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 1
Current: $3,359 NZD|Low: $336 NZD|High: $3,359 NZD|Avg: $1,088 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 19
November 2, 2026
Retailer 17$350 NZD
Retailer 19$391 NZD
Retailer 18$407 NZD
Retailer 6$434 NZD
Retailer 10$434 NZD
Retailer 12$580 NZD
Retailer 5$654 NZD
Retailer 13$750 NZD
Retailer 8$757 NZD
Retailer 15$794 NZD
Retailer 7$1,004 NZD
Retailer 2$1,059 NZD
Retailer 9$1,395 NZD
Retailer 16$1,401 NZD
Retailer 11$1,571 NZD
Retailer 4$1,703 NZD
Retailer 3$2,002 NZD
Retailer 14$2,029 NZD
Do Amore Diamonds$3,359 NZD

29 data points across 19 retailers

19 retailers$350 NZD to $3,359 NZD

A
Cheapest Retailer
-
$350 NZD
$197 USD
A
Retailer 2
-
$391 NZD
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$407 NZD
$229 USD
View
Retailer 4
-
$434 NZD
$244 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$434 NZD
$244 USD
View
A
Retailer 6
-
$580 NZD
£257 GBP
View
A
Retailer 7
-
$654 NZD
$368 USD
View
A
Retailer 8
-
$750 NZD
ZAR 6,813 ZAR
View
A
Retailer 9
-
$757 NZD
$426 USD
View
A
Retailer 10
-
$794 NZD
£352 GBP
View
B+
Retailer 11
-
$1,004 NZD
$565 USD
View
A
Retailer 12
-
$1,059 NZD
A$917 AUD
View
Retailer 13
-
$1,206 NZD
$679 USD
View
Price last confirmed 54 days ago
B+
Retailer 14
-
$1,395 NZD
$785 USD
View
B+
Retailer 15
-
$1,401 NZD
$788 USD
View
B
Retailer 16
-
$1,703 NZD
$958 USD
View
B
Retailer 17
-
$2,002 NZD
$1,126 USD
View
B
Retailer 18
-
$2,029 NZD
£899 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9E65FD545 · Nov 1
$3,359 NZD
$1,890 USD
View
18 more retailers have this diamond
Prices start from $350 NZDSave up to $3,009 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 Oval
$350 NZD