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Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG668432965

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG668432965

Diamond specifications and retailer prices

From $363 NZD
As of November 2, 2026
Save $2,411 NZD (87%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,774 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant 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 LG668432965 or 668432965. Listed at 29 retailers as of November 2, 2026, with prices from $363 to $2,774, a $2,411 spread on the same certified stone. Brilliant Earth lists it at $2,774. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432965
Dimensions5.26 × 5.26 × 3.43 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.26 mm5.26 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432965
Side View
Table 63.0%Crown 42.7°Girdle: MediumPavilion 32.3°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,774 NZD|Low: $363 NZD|High: $3,396 NZD|Avg: $1,222 NZD|-18.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 3$363 NZD
Retailer 11$404 NZD
Retailer 4$637 NZD
Retailer 6$763 NZD
Retailer 8$775 NZD
Retailer 2$816 NZD
Retailer 5$884 NZD
Retailer 7$1,095 NZD
Retailer 13$1,449 NZD
Retailer 10$1,677 NZD
Retailer 12$1,902 NZD
Retailer 9$2,100 NZD
Brilliant Earth$2,774 NZD

43 data points across 13 retailers

29 retailers$363 NZD to $2,774 NZD

A
Cheapest Retailer
-
$363 NZD
Retailer 2
-
$363 NZD
View
Price last confirmed 27 days ago
Retailer 3
-
$363 NZD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$404 NZD
View
Final sale: no returns
Retailer 5
-
$420 NZD
View
Price last confirmed 38 days ago
Retailer 6
-
$443 NZD
View
Price last confirmed 36 days ago
Retailer 7
-
$450 NZD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$523 NZD
View
B+
Retailer 9
-
$637 NZD
View
A
Retailer 10
-
$763 NZD
View
A
Retailer 11
-
$775 NZD
View
A
Retailer 12
-
$816 NZD
View
A
Retailer 13
-
$884 NZD
View
A
Retailer 14
-
$962 NZD
View
B+
Retailer 15
-
$1,061 NZD
View
B+
Retailer 16
-
$1,095 NZD
View
B+
Retailer 17
-
$1,444 NZD
View
Retailer 18
-
$1,444 NZD
View
Price last confirmed 35 days ago
Retailer 19
-
$1,444 NZD
View
Price last confirmed 25 days ago
B+
Retailer 20
-
$1,449 NZD
View
B+
Retailer 21
-
$1,529 NZD
View
B+
Retailer 22
-
$1,538 NZD
View
B
Retailer 23
-
$1,614 NZD
View
B
Retailer 24
-
$1,677 NZD
View
Retailer 25
-
$1,677 NZD
View
Price last confirmed 10 days ago
Retailer 26
-
$1,902 NZD
View
Price last confirmed 17 days ago
B
Retailer 27
-
$2,100 NZD
View
B
Retailer 28
-
$2,142 NZD
View
Most Expensive
B
Brilliant Earth
13182672A · Nov 2
$2,774 NZD
$1,560 USD
View
28 more retailers have this diamond
Prices start from $363 NZDSave up to $2,411 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 Radiant
$363 NZD