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Radiant|Lab Grown|IGI

6.18ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840656793

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

Certificate IGI LG840656793

Diamond specifications and retailer prices

From $3,194 NZD
$1,800 USD
As of October 30, 2026
Save $14,856 NZD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,050 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 6.18ct lab-grown radiant diamond

This 6.18ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840656793 or 840656793. Listed at 22 retailers as of October 30, 2026, with prices from $3,194 to $18,050, a $14,856 spread on the same certified stone. With Clarity lists it at $18,050. 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

6.18
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656793
Dimensions13.58 × 8.68 × 5.81 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.58 mm8.68 mm6.18 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656793
Side View
Table 67.0%Crown 44.2°Girdle: Slightly ThickPavilion 39.7°Culet: NoneDepth 66.9%

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: $5,255 NZD|Low: $3,194 NZD|High: $18,336 NZD|Avg: $7,208 NZD|-3.9%
Retailer 1
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
Retailer 20
With Clarity
October 31, 2026
Retailer 10$3,194 NZD
Retailer 17$3,476 NZD
Retailer 6$3,577 NZD
Retailer 8$3,705 NZD
Retailer 12$3,847 NZD
Retailer 2$4,001 NZD
Retailer 18$4,388 NZD
Retailer 1$5,255 NZD
Retailer 16$5,296 NZD
Retailer 19$5,561 NZD
Retailer 20$6,233 NZD
Retailer 5$6,876 NZD
Retailer 7$6,945 NZD
Retailer 14$7,170 NZD
Retailer 4$7,679 NZD
Retailer 3$7,796 NZD
Retailer 13$10,138 NZD
Retailer 15$10,638 NZD
Retailer 11$12,987 NZD
Retailer 9$13,406 NZD
With Clarity$18,050 NZD

20 data points across 21 retailers

22 retailers$3,194 NZD to $18,050 NZD

A
Cheapest Retailer
-
$3,194 NZD
$1,800 USD
A
Retailer 2
-
$3,476 NZD
$1,959 USD
View
A
Retailer 3
-
$3,577 NZD
$2,016 USD
View
Final sale: no returns
A
Retailer 4
-
$3,705 NZD
$2,088 USD
View
A
Retailer 5
-
$3,847 NZD
£1,707 GBP
View
A
Retailer 6
-
$4,001 NZD
$2,255 USD
View
A
Retailer 7
-
$4,388 NZD
$2,473 USD
View
A
Retailer 8
-
$5,255 NZD
£2,332 GBP
View
A
Retailer 9
-
$5,296 NZD
$2,985 USD
View
Retailer 10
-
$5,561 NZD
€2,985 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
-
$6,233 NZD
$3,513 USD
View
Retailer 12
-
$6,876 NZD
A$5,962 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$6,945 NZD
$3,914 USD
View
B+
Retailer 14
-
$7,170 NZD
ZAR 65,281 ZAR
View
B+
Retailer 15
-
$7,679 NZD
£3,408 GBP
View
B+
Retailer 16
-
$7,796 NZD
$4,394 USD
View
B
Retailer 17
-
$10,138 NZD
$5,714 USD
View
B+
Retailer 18
-
$10,638 NZD
£4,721 GBP
View
Retailer 19
-
$10,682 NZD
A$9,262 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$12,987 NZD
$7,320 USD
View
B+
Retailer 21
-
$13,406 NZD
SGD 10,210 SGD
View
Most Expensive
B
With Clarity
840656793 · Oct 31
$18,050 NZD
$10,173 USD
View
21 more retailers have this diamond
Prices start from $3,194 NZDSave up to $14,856 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
6.18ct Radiant
$3,194 NZD