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Radiant|Lab Grown|IGI

6.20ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG840666034

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

Certificate IGI LG840666034

Diamond specifications and retailer prices

From $2,133 NZD
$1,202 USD
As of October 29, 2026
Save $4,038 NZD (65%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,170 NZD at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 6.2ct lab-grown radiant diamond

This 6.2ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840666034 or 840666034. Listed at 3 retailers as of October 29, 2026, with prices from $2,133 to $6,170, a $4,038 spread on the same certified stone. Frank Darling lists it at $6,170. 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

6.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840666034
Dimensions12.99 × 9.05 × 6.14 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.99 mm9.05 mm6.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840666034
Side View
Table 65.0%Crown 43.3°Girdle: MediumPavilion 38°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,170 NZD|Low: $2,133 NZD|High: $6,368 NZD|Avg: $3,876 NZD|-3.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 27, 2026
Retailer 2$2,133 NZD
Retailer 3$2,864 NZD
Retailer 4$3,322 NZD
Frank Darling$6,170 NZD

6 data points across 4 retailers

3 retailers$2,133 NZD to $6,170 NZD

A
Cheapest Retailer
-
$2,133 NZD
$1,202 USD
Final sale: no returns
B+
Retailer 2
-
$2,864 NZD
$1,614 USD
View
Most Expensive
B+
Frank Darling
100759728216KD · Oct 30
$6,170 NZD
$3,478 USD
View
2 more retailers have this diamond
Prices start from $2,133 NZDSave up to $4,038 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
6.20ct Radiant
$2,133 NZD