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Radiant|Lab Grown|IGI

5.51ct D VS2 Radiant Lab Grown Diamond

VG • D/VS2 • IGI LG823673400

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

Certificate IGI LG823673400

Diamond specifications and retailer prices

From $2,104 NZD
$1,186 USD
As of October 30, 2026
Save $16,242 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,346 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.51ct lab-grown radiant diamond

This 5.51ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG823673400 or 823673400. Listed at 11 retailers as of October 30, 2026, with prices from $2,104 to $18,346, a $16,242 spread on the same certified stone. Do Amore Diamonds lists it at $18,346. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.51
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823673400
Dimensions12.04 × 8.58 × 5.95 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm8.58 mm5.51 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823673400
Side View
Table 66.0%Crown 46°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 69.3%

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: $2,019 NZD|High: $18,683 NZD|Avg: $6,242 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 10$2,104 NZD
Retailer 13$2,289 NZD
Retailer 8$2,980 NZD
Retailer 4$3,194 NZD
Retailer 11$3,872 NZD
Retailer 6$3,877 NZD
Retailer 9$4,808 NZD
Retailer 12$5,050 NZD
Retailer 3$5,711 NZD
Retailer 5$7,675 NZD
Retailer 2$8,700 NZD
Retailer 7$9,324 NZD
Do Amore Diamonds$18,346 NZD

25 data points across 13 retailers

11 retailers$2,104 NZD to $18,346 NZD

A
Cheapest Retailer
-
$2,104 NZD
$1,186 USD
A
Retailer 2
-
$2,289 NZD
$1,290 USD
View
Retailer 3
-
$2,980 NZD
£1,322 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$3,872 NZD
$2,182 USD
View
B+
Retailer 5
-
$3,877 NZD
$2,185 USD
View
B+
Retailer 6
-
$4,808 NZD
$2,710 USD
View
B+
Retailer 7
-
$5,050 NZD
$2,846 USD
View
B+
Retailer 8
-
$5,711 NZD
$3,219 USD
View
B
Retailer 9
-
$8,700 NZD
£3,861 GBP
View
B
Retailer 10
-
$9,324 NZD
$5,255 USD
View
Most Expensive
B
Do Amore Diamonds
7-1793013 · Oct 31
$18,346 NZD
$10,340 USD
View
10 more retailers have this diamond
Prices start from $2,104 NZDSave up to $16,242 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
5.51ct Radiant
$2,104 NZD