Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG677521094

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

Certificate IGI LG677521094

Diamond specifications and retailer prices

From $329 NZD
As of November 2, 2026
Save $2,818 NZD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,147 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG677521094 or 677521094. Listed at 28 retailers as of November 2, 2026, with prices from $329 to $3,147, a $2,818 spread on the same certified stone. Do Amore Diamonds lists it at $3,147. 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 angle41.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521094
Dimensions7.90 × 5.32 × 3.39 mm
L/W Ratio1.48
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
7.90 mm5.32 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521094
Side View
Table 61.0%Crown 41.3°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 63.7%

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 2
Current: $816 NZD|Low: $329 NZD|High: $2,347 NZD|Avg: $1,146 NZD|+3.6%
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
November 4, 2026
Retailer 3$329 NZD
Retailer 12$372 NZD
Retailer 4$637 NZD
Retailer 6$763 NZD
Retailer 8$775 NZD
Retailer 1$816 NZD
Retailer 5$846 NZD
Retailer 7$1,095 NZD
Retailer 2$1,382 NZD
Retailer 11$1,677 NZD
Retailer 13$1,885 NZD
Retailer 10$2,045 NZD
Retailer 9$2,100 NZD

44 data points across 13 retailers

28 retailers$329 NZD to $3,147 NZD

A
Cheapest Retailer
-
$329 NZD
Retailer 2
-
$329 NZD
View
Price last confirmed 27 days ago
Retailer 3
-
$329 NZD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$372 NZD
View
Final sale: no returns
Retailer 5
-
$380 NZD
View
Price last confirmed 38 days ago
Retailer 6
-
$402 NZD
View
Price last confirmed 36 days ago
Retailer 7
-
$407 NZD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
$637 NZD
View
A
Retailer 9
-
$660 NZD
View
A
Retailer 10
-
$763 NZD
View
A
Retailer 11
-
$775 NZD
View
A
Retailer 12
-
$816 NZD
View
A
Retailer 13
-
$821 NZD
View
A
Retailer 14
-
$846 NZD
View
A
Retailer 15
-
$962 NZD
View
B+
Retailer 16
-
$1,095 NZD
View
B+
Retailer 17
-
$1,382 NZD
View
B+
Retailer 18
-
$1,444 NZD
View
Retailer 19
-
$1,444 NZD
View
Price last confirmed 25 days ago
Retailer 20
-
$1,444 NZD
View
Price last confirmed 35 days ago
B+
Retailer 21
-
$1,677 NZD
View
B
Retailer 22
-
$1,750 NZD
View
Retailer 23
-
$1,885 NZD
View
Price last confirmed 17 days ago
B
Retailer 24
-
$1,892 NZD
View
B
Retailer 25
-
$2,036 NZD
View
B
Retailer 26
-
$2,045 NZD
View
B
Retailer 27
-
$2,100 NZD
View
Most Expensive
B
Do Amore Diamonds
27-6CCBFEE86 · Nov 2
$3,147 NZD
$1,770 USD
View
27 more retailers have this diamond
Prices start from $329 NZDSave up to $2,818 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
$329 NZD