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Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG817661900

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817661900

Diamond specifications and retailer prices

From $403 NZD
$227 USD
As of November 1, 2026
Save $3,471 NZD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,875 NZD at Do Amore Diamonds · As of November 2, 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 LG817661900 or 817661900. Listed at 19 retailers as of November 1, 2026, with prices from $403 to $3,875, a $3,471 spread on the same certified stone. Do Amore Diamonds lists it at $3,875. 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 angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661900
Dimensions8.94 × 5.97 × 3.71 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm5.97 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661900
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: $1,041 NZD|Low: $302 NZD|High: $2,241 NZD|Avg: $1,000 NZD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 8$302 NZD
Retailer 15$403 NZD
Retailer 6$450 NZD
Retailer 4$467 NZD
Retailer 7$501 NZD
Retailer 17$501 NZD
Retailer 9$672 NZD
Retailer 11$738 NZD
Retailer 2$851 NZD
Retailer 1$1,041 NZD
Retailer 5$1,063 NZD
Retailer 13$1,226 NZD
Retailer 12$1,345 NZD
Retailer 14$1,616 NZD
Retailer 3$1,776 NZD
Retailer 16$1,912 NZD
Retailer 10$2,214 NZD

44 data points across 17 retailers

19 retailers$403 NZD to $3,875 NZD

A
Cheapest Retailer
-
$403 NZD
$227 USD
A
Retailer 2
-
$450 NZD
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$467 NZD
$263 USD
View
Retailer 4
-
$501 NZD
$282 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$501 NZD
$282 USD
View
A
Retailer 6
-
$672 NZD
$378 USD
View
A
Retailer 7
-
$738 NZD
£327 GBP
View
A
Retailer 8
-
$851 NZD
$479 USD
View
B+
Retailer 9
-
$1,041 NZD
£461 GBP
View
B+
Retailer 10
-
$1,063 NZD
$598 USD
View
Retailer 11
-
$1,226 NZD
$690 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$1,345 NZD
A$1,164 AUD
View
B
Retailer 13
-
$1,616 NZD
$909 USD
View
B
Retailer 14
-
$1,776 NZD
$999 USD
View
B
Retailer 15
-
$1,912 NZD
CA$1,494 CAD
View
B
Retailer 16
-
$2,080 NZD
$1,170 USD
View
B
Retailer 17
-
$2,214 NZD
£981 GBP
View
B
Retailer 18
-
$2,274 NZD
$1,279 USD
View
Most Expensive
B
Do Amore Diamonds
27-B97F3F9B6 · Nov 2
$3,875 NZD
$2,180 USD
View
18 more retailers have this diamond
Prices start from $403 NZDSave up to $3,471 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
$403 NZD