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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG669437829

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669437829

Diamond specifications and retailer prices

From $350 NZD
$197 USD
As of November 1, 2026
Save $1,681 NZD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,031 NZD at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round 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 LG669437829 or 669437829. Listed at 25 retailers as of November 1, 2026, with prices from $350 to $2,031, a $1,681 spread on the same certified stone. Flawless Fine Jewelry lists it at $2,031. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669437829
Dimensions6.88 × 6.85 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.85 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669437829
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.4%

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: $2,031 NZD|Low: $297 NZD|High: $2,031 NZD|Avg: $921 NZD
Flawless Fine Jewelry
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 2, 2026
Retailer 6$315 NZD
Retailer 22$350 NZD
Retailer 23$366 NZD
Retailer 12$391 NZD
Retailer 15$391 NZD
Retailer 2$663 NZD
Retailer 18$674 NZD
Retailer 7$695 NZD
Retailer 13$700 NZD
Retailer 5$711 NZD
Retailer 21$724 NZD
Retailer 10$832 NZD
Retailer 4$887 NZD
Retailer 16$933 NZD
Retailer 17$953 NZD
Retailer 9$1,257 NZD
Retailer 14$1,322 NZD
Retailer 3$1,326 NZD
Retailer 11$1,352 NZD
Retailer 20$1,582 NZD
Retailer 19$1,826 NZD
Retailer 8$1,992 NZD
Flawless Fine Jewelry$2,031 NZD

36 data points across 23 retailers

25 retailers$350 NZD to $2,031 NZD

Retailer 1
-
$309 NZD
$174 USD
Price last confirmed 42 days ago
Retailer 2
-
$315 NZD
$177 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$350 NZD
$197 USD
View
Final sale: no returns
Retailer 4
-
$357 NZD
$201 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$366 NZD
$206 USD
View
Retailer 6
-
$379 NZD
$213 USD
View
Price last confirmed 42 days ago
Retailer 7
-
$391 NZD
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$391 NZD
$220 USD
View
A
Retailer 9
-
$663 NZD
£294 GBP
View
A
Retailer 10
-
$674 NZD
ZAR 6,129 ZAR
View
A
Retailer 11
-
$695 NZD
$391 USD
View
A
Retailer 12
-
$700 NZD
£310 GBP
View
A
Retailer 13
-
$711 NZD
$400 USD
View
B+
Retailer 14
-
$724 NZD
€388 EUR
View
B+
Retailer 15
-
$832 NZD
$468 USD
View
B+
Retailer 16
-
$887 NZD
A$768 AUD
View
B+
Retailer 17
-
$953 NZD
A$825 AUD
View
Retailer 18
-
$1,257 NZD
$707 USD
View
Price last confirmed 16 days ago
B
Retailer 19
-
$1,322 NZD
$744 USD
View
B
Retailer 20
-
$1,326 NZD
$746 USD
View
B
Retailer 21
-
$1,352 NZD
$761 USD
View
B
Retailer 22
-
$1,582 NZD
$890 USD
View
B
Retailer 23
-
$1,826 NZD
£809 GBP
View
B
Retailer 24
-
$1,992 NZD
$1,121 USD
View
Most Expensive
B
Flawless Fine Jewelry
D52129277 · Nov 2
$2,031 NZD
£900 GBP
View
24 more retailers have this diamond
Prices start from $350 NZDSave up to $1,681 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 Round
$350 NZD