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Radiant|Lab Grown|IGI

6.78ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG727502810

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

Certificate IGI LG727502810

Diamond specifications and retailer prices

From $1,641 NZD
$925 USD
As of October 30, 2026
Save $12,926 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,567 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.78ct lab-grown radiant diamond

This 6.78ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG727502810 or 727502810. Listed at 22 retailers as of October 30, 2026, with prices from $1,641 to $14,567, a $12,926 spread on the same certified stone. Do Amore Diamonds lists it at $14,567. 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

6.78
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727502810
Dimensions13.50 × 9.14 × 6.21 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.50 mm9.14 mm6.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727502810
Side View
Table 64.0%Crown 44.8°Girdle: ThickPavilion 34.1°Culet: NoneDepth 67.9%

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: $14,567 NZD|Low: $1,592 NZD|High: $15,277 NZD|Avg: $5,671 NZD|-1.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 3$1,641 NZD
Retailer 21$1,785 NZD
Retailer 19$1,904 NZD
Retailer 18$2,218 NZD
Retailer 15$2,219 NZD
Retailer 13$3,003 NZD
Retailer 7$3,050 NZD
Retailer 5$3,279 NZD
Retailer 2$3,892 NZD
Retailer 12$3,937 NZD
Retailer 16$4,065 NZD
Retailer 8$4,233 NZD
Retailer 20$4,468 NZD
Retailer 10$5,787 NZD
Retailer 6$5,953 NZD
Retailer 17$7,163 NZD
Retailer 9$7,409 NZD
Retailer 11$7,475 NZD
Retailer 14$10,300 NZD
Retailer 4$14,265 NZD
Do Amore Diamonds$14,567 NZD

31 data points across 21 retailers

22 retailers$1,641 NZD to $14,567 NZD

A
Cheapest Retailer
-
$1,641 NZD
$925 USD
A
Retailer 2
-
$1,785 NZD
$1,006 USD
View
A
Retailer 3
-
$1,904 NZD
$1,073 USD
View
Retailer 4
-
$1,922 NZD
$1,083 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$2,218 NZD
$1,250 USD
View
A
Retailer 6
-
$2,219 NZD
£985 GBP
View
A
Retailer 7
-
$3,003 NZD
£1,333 GBP
View
B+
Retailer 8
-
$3,050 NZD
$1,719 USD
View
Retailer 9
-
$3,279 NZD
€1,760 EUR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$3,892 NZD
A$3,375 AUD
View
A
Retailer 11
-
$3,937 NZD
$2,219 USD
View
A
Retailer 12
-
$4,065 NZD
ZAR 37,009 ZAR
View
A
Retailer 13
-
$4,233 NZD
$2,386 USD
View
B+
Retailer 14
-
$4,468 NZD
$2,518 USD
View
B+
Retailer 15
-
$5,787 NZD
£2,568 GBP
View
B+
Retailer 16
-
$5,953 NZD
$3,355 USD
View
B+
Retailer 17
-
$7,163 NZD
£3,179 GBP
View
B+
Retailer 18
-
$7,409 NZD
SGD 5,643 SGD
View
B
Retailer 19
-
$7,475 NZD
$4,213 USD
View
Retailer 20
-
$10,300 NZD
$5,805 USD
View
Price last confirmed 13 days ago
B
Retailer 21
-
$14,265 NZD
$8,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-6B12346F6 · Oct 31
$14,567 NZD
$8,210 USD
View
21 more retailers have this diamond
Prices start from $1,641 NZDSave up to $12,926 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
6.78ct Radiant
$1,641 NZD