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Radiant|Lab Grown|IGI

4.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG847660231

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

Certificate IGI LG847660231

Diamond specifications and retailer prices

From $2,075 NZD
£921 GBP
As of October 30, 2026
Save $12,989 NZD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $15,064 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown radiant diamond

This 4.51ct 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 LG847660231 or 847660231. Listed at 10 retailers as of October 30, 2026, with prices from $2,075 to $15,064, a $12,989 spread on the same certified stone. Do Amore Diamonds lists it at $15,064. 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

4.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847660231
Dimensions11.74 × 8.10 × 5.33 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.10 mm4.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847660231
Side View
Table 68.0%Crown 42.2°Girdle: MED-STKPavilion 35.4°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: Oct 30
Current: $15,064 NZD|Low: $2,075 NZD|High: $18,311 NZD|Avg: $6,043 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$2,075 NZD
Retailer 6$2,191 NZD
Retailer 10$3,465 NZD
Retailer 5$3,501 NZD
Retailer 2$4,242 NZD
Retailer 9$7,409 NZD
Retailer 8$7,800 NZD
Retailer 7$8,490 NZD
Retailer 3$9,883 NZD
Do Amore Diamonds$15,064 NZD

6 data points across 10 retailers

10 retailers$2,075 NZD to $15,064 NZD

A
Cheapest Retailer
-
$2,075 NZD
£921 GBP
A
Retailer 2
-
$2,191 NZD
$1,235 USD
View
Retailer 3
-
$3,465 NZD
$1,953 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$3,501 NZD
$1,973 USD
View
B+
Retailer 5
-
$4,242 NZD
$2,391 USD
View
Retailer 6
-
$7,409 NZD
£3,288 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
$7,800 NZD
$4,396 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$8,490 NZD
$4,785 USD
View
B
Retailer 9
-
$9,883 NZD
$5,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-3B15485DB · Oct 31
$15,064 NZD
$8,490 USD
View
9 more retailers have this diamond
Prices start from $2,075 NZDSave up to $12,989 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
4.51ct Radiant
$2,075 NZD