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Radiant|Lab Grown|IGI

4.52ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG789605755

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

Certificate IGI LG789605755

Diamond specifications and retailer prices

From $2,227 NZD
$1,255 USD
As of October 30, 2026
Save $16,120 NZD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $18,346 NZD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 4.52ct lab-grown radiant diamond

This 4.52ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG789605755 or 789605755. Listed at 24 retailers as of October 24, 2026, with prices from $2,227 to $18,346, a $16,120 spread on the same certified stone. Brilliant Earth lists it at $18,346. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.52
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789605755
Dimensions11.22 × 8.22 × 5.62 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.22 mm8.22 mm4.52 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789605755
Side View
Table 66.0%Crown 46.8°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.4%

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: Oct 30
Current: $18,346 NZD|Low: $2,138 NZD|High: $18,914 NZD|Avg: $6,067 NZD|-3.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 18$2,227 NZD
Retailer 17$2,424 NZD
Retailer 10$2,583 NZD
Retailer 16$2,583 NZD
Retailer 2$2,723 NZD
Retailer 3$2,892 NZD
Retailer 9$3,634 NZD
Retailer 12$4,023 NZD
Retailer 4$4,815 NZD
Retailer 19$5,346 NZD
Retailer 13$6,070 NZD
Retailer 15$6,119 NZD
Retailer 8$6,965 NZD
Retailer 7$7,413 NZD
Retailer 5$7,635 NZD
Retailer 14$8,189 NZD
Retailer 11$8,916 NZD
Retailer 6$15,330 NZD
Brilliant Earth$18,346 NZD

37 data points across 19 retailers

24 retailers$2,227 NZD to $18,346 NZD

A
Cheapest Retailer
-
$2,227 NZD
$1,255 USD
A
Retailer 2
-
$2,424 NZD
$1,366 USD
View
A
Retailer 3
-
$2,583 NZD
$1,456 USD
View
Retailer 4
-
$2,583 NZD
$1,456 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$2,713 NZD
$1,529 USD
View
Final sale: no returns
A
Retailer 6
-
$2,723 NZD
£1,208 GBP
View
A
Retailer 7
-
$2,892 NZD
$1,630 USD
View
A
Retailer 8
-
$2,942 NZD
$1,658 USD
View
A
Retailer 9
-
$3,589 NZD
$2,023 USD
View
A
Retailer 10
-
$3,634 NZD
$2,048 USD
View
B+
Retailer 11
-
$4,023 NZD
£1,785 GBP
View
B+
Retailer 12
-
$4,815 NZD
$2,714 USD
View
B+
Retailer 13
-
$5,346 NZD
$3,013 USD
View
B+
Retailer 14
-
$6,070 NZD
ZAR 55,270 ZAR
View
Retailer 15
-
$6,119 NZD
A$5,306 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$6,895 NZD
£3,060 GBP
View
Retailer 17
-
$6,965 NZD
A$6,039 AUD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$7,413 NZD
$4,178 USD
View
B
Retailer 19
-
$7,635 NZD
$4,303 USD
View
B
Retailer 20
-
$8,189 NZD
£3,634 GBP
View
Retailer 21
-
$8,916 NZD
$5,025 USD
View
Price last confirmed 33 days ago
B
Retailer 22
-
$10,110 NZD
$5,698 USD
View
B
Retailer 23
-
$15,330 NZD
$8,640 USD
View
Most Expensive
B
Brilliant Earth
18763513A · Oct 24
$18,346 NZD
$10,340 USD
View
23 more retailers have this diamond
Prices start from $2,227 NZDSave up to $16,120 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
4.52ct Radiant
$2,227 NZD