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Radiant|Lab Grown|IGI

0.73ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG788624689

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

Certificate IGI LG788624689

Diamond specifications and retailer prices

From $303 NZD
As of November 4, 2026
Save $1,669 NZD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,140 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.73ct lab-grown radiant diamond

This 0.73ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788624689 or 788624689. Listed at 25 retailers as of November 4, 2026, with a 550% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624689
Dimensions6.31 × 4.56 × 3.00 mm
L/W Ratio1.38
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
6.31 mm4.56 mm0.73 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624689
Side View
Table 66.0%Crown 39.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 65.8%

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 4
Current: $417 NZD|Low: $291 NZD|High: $1,781 NZD|Avg: $724 NZD|-7.8%
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
November 4, 2026
Retailer 15$303 NZD
Retailer 8$341 NZD
Retailer 5$353 NZD
Retailer 3$376 NZD
Retailer 6$376 NZD
Retailer 1$417 NZD
Retailer 2$511 NZD
Retailer 10$665 NZD
Retailer 11$683 NZD
Retailer 13$699 NZD
Retailer 7$784 NZD
Retailer 14$960 NZD
Retailer 4$1,212 NZD
Retailer 16$1,277 NZD
Retailer 9$1,279 NZD
Retailer 12$1,762 NZD

46 data points across 16 retailers

25 retailers$303 NZD to $1,973 NZD

A
Cheapest Retailer
-
$303 NZD
A
Retailer 2
-
$341 NZD
View
Final sale: no returns
A
Retailer 3
-
$353 NZD
View
Retailer 4
-
$376 NZD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$376 NZD
View
A
Retailer 6
-
$417 NZD
View
A
Retailer 7
-
$431 NZD
View
A
Retailer 8
-
$490 NZD
View
A
Retailer 9
-
$511 NZD
View
A
Retailer 10
-
$665 NZD
View
A
Retailer 11
-
$683 NZD
View
B+
Retailer 12
-
$699 NZD
View
B+
Retailer 13
-
$784 NZD
View
B+
Retailer 14
-
$954 NZD
View
Retailer 15
-
$960 NZD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$1,031 NZD
View
B
Retailer 17
-
$1,212 NZD
View
B
Retailer 18
-
$1,242 NZD
View
B
Retailer 19
-
$1,277 NZD
View
B
Retailer 20
-
$1,279 NZD
View
B
Retailer 21
-
$1,307 NZD
View
B
Retailer 22
-
$1,762 NZD
View
B
Retailer 23
-
$1,955 NZD
View
B
Retailer 24
-
$1,973 NZD
View
Most Expensive
Queensmith
LG788624689 · Oct 27
$2,140 NZD
£950 GBP
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from $303 NZDSave up to $1,669 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
0.73ct Radiant
$303 NZD