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Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG770607549

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

Certificate IGI LG770607549

Diamond specifications and retailer prices

From $327 NZD
As of November 2, 2026
Save $2,820 NZD (90%) vs most expensive(unlock to see where)
20 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 LG770607549 or 770607549. Listed at 20 retailers as of November 2, 2026, with prices from $327 to $3,147, a $2,820 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770607549
Dimensions7.80 × 5.37 × 3.50 mm
L/W Ratio1.45
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
7.80 mm5.37 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770607549
Side View
Table 63.0%Crown 37.9°Girdle: MediumPavilion 33.4°Culet: NoneDepth 65.2%

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: $3,147 NZD|Low: $327 NZD|High: $3,147 NZD|Avg: $1,185 NZD
Do Amore Diamonds
Retailer 2
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Retailer 20
November 4, 2026
Retailer 3$327 NZD
Retailer 9$366 NZD
Retailer 20$379 NZD
Retailer 4$405 NZD
Retailer 11$715 NZD
Retailer 16$772 NZD
Retailer 2$814 NZD
Retailer 8$821 NZD
Retailer 7$980 NZD
Retailer 15$1,092 NZD
Retailer 14$1,140 NZD
Retailer 5$1,440 NZD
Retailer 18$1,664 NZD
Retailer 10$1,746 NZD
Retailer 6$1,760 NZD
Retailer 12$1,819 NZD
Retailer 19$1,885 NZD
Retailer 17$2,045 NZD
Retailer 13$2,093 NZD
Do Amore Diamonds$3,147 NZD

44 data points across 20 retailers

20 retailers$327 NZD to $3,147 NZD

A
Cheapest Retailer
-
$327 NZD
A
Retailer 2
-
$366 NZD
View
Final sale: no returns
A
Retailer 3
-
$379 NZD
View
A
Retailer 4
-
$405 NZD
View
A
Retailer 5
-
$715 NZD
View
A
Retailer 6
-
$772 NZD
View
A
Retailer 7
-
$814 NZD
View
A
Retailer 8
-
$821 NZD
View
B+
Retailer 9
-
$980 NZD
View
B+
Retailer 10
-
$1,092 NZD
View
B+
Retailer 11
-
$1,140 NZD
View
B+
Retailer 12
-
$1,440 NZD
View
Retailer 13
-
$1,664 NZD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$1,746 NZD
View
B
Retailer 15
-
$1,760 NZD
View
B
Retailer 16
-
$1,819 NZD
View
Retailer 17
-
$1,885 NZD
View
Price last confirmed 17 days ago
B
Retailer 18
-
$2,045 NZD
View
B
Retailer 19
-
$2,093 NZD
View
Most Expensive
B
Do Amore Diamonds
27-ECF518840 · Nov 2
$3,147 NZD
$1,770 USD
View
19 more retailers have this diamond
Prices start from $327 NZDSave up to $2,820 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
$327 NZD