Radiant|Lab Grown|IGI

6.09ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG839654173

Certificate IGI LG839654173

Diamond specifications and retailer prices

From $5,007 NZD
$2,822 USD
As of October 31, 2026
Save $6,063 NZD (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $25,461 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.09ct lab-grown radiant diamond

This 6.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839654173 or 839654173. Listed at 7 retailers as of October 31, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG839654173
Dimensions13.01 × 9.02 × 5.97 mm
L/W Ratio1.44
Top View
13.01 mm9.02 mm6.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839654173
Side View
Table 67.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,373 NZD|Low: $5,007 NZD|High: $11,118 NZD|Avg: $7,756 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$5,007 NZD
Retailer 1$5,373 NZD
Retailer 2$5,468 NZD
Retailer 3$6,362 NZD
Retailer 5$10,460 NZD
Retailer 6$11,070 NZD

5 data points across 6 retailers

7 retailers$5,007 NZD to $11,070 NZD

B+
Cheapest Retailer
-
$5,007 NZD
$2,822 USD
B+
Retailer 2
-
$5,373 NZD
$3,028 USD
View
B+
Retailer 3
-
$5,468 NZD
$3,082 USD
View
B+
Retailer 4
-
$6,362 NZD
€3,415 EUR
View
B
Retailer 5
-
$10,460 NZD
$5,895 USD
View
B
Retailer 6
-
$11,070 NZD
$6,239 USD
View
Most Expensive
Brilliant Earth
22396638A · Oct 31
$25,461 NZD
$14,350 USD
View
Price under review
6 more retailers have this diamond
Prices start from $5,007 NZDSave up to $6,063 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.

B+
6.09ct Radiant
$5,007 NZD