Heart|Lab Grown|IGI

6.51ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG835612605

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835612605

Diamond specifications and retailer prices

From $1,953 NZD
$1,099 USD
As of November 2, 2026
Save $10,843 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,797 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.51ct lab-grown heart diamond

This 6.51ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835612605 or 835612605. Listed at 23 retailers as of November 2, 2026, with prices from $1,953 to $12,797, a $10,843 spread on the same certified stone. Brilliant Earth lists it at $12,797. 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

6.51
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835612605
Dimensions11.82 × 12.70 × 7.37 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.82 mm12.70 mm6.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835612605
Side View
Table 61.0%Crown 38.5°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 58.0%

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: Nov 2
Current: $2,345 NZD|Low: $1,953 NZD|High: $9,340 NZD|Avg: $4,167 NZD|-2.9%
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
Retailer 21
Retailer 22
November 2, 2026
Retailer 9$1,953 NZD
Retailer 6$2,126 NZD
Retailer 21$2,266 NZD
Retailer 15$2,307 NZD
Retailer 1$2,345 NZD
Retailer 8$2,577 NZD
Retailer 10$2,616 NZD
Retailer 2$2,968 NZD
Retailer 5$3,244 NZD
Retailer 12$3,283 NZD
Retailer 17$3,609 NZD
Retailer 20$4,068 NZD
Retailer 19$4,198 NZD
Retailer 4$4,248 NZD
Retailer 22$4,384 NZD
Retailer 7$5,471 NZD
Retailer 3$6,562 NZD
Retailer 11$7,598 NZD
Retailer 16$7,683 NZD
Retailer 14$7,921 NZD
Retailer 13$8,195 NZD
Retailer 18$9,340 NZD

25 data points across 22 retailers

23 retailers$1,953 NZD to $12,797 NZD

A
Cheapest Retailer
-
$1,953 NZD
$1,099 USD
A
Retailer 2
-
$2,126 NZD
$1,196 USD
View
A
Retailer 3
-
$2,266 NZD
$1,275 USD
View
Retailer 4
-
$2,307 NZD
$1,298 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$2,345 NZD
£1,039 GBP
View
A
Retailer 6
-
$2,577 NZD
$1,450 USD
View
A
Retailer 7
-
$2,616 NZD
HK$11,500 HKD
View
A
Retailer 8
-
$2,968 NZD
$1,670 USD
View
B+
Retailer 9
-
$3,244 NZD
$1,825 USD
View
A
Retailer 10
-
$3,283 NZD
£1,455 GBP
View
A
Retailer 11
-
$3,609 NZD
€1,934 EUR
View
A
Retailer 12
-
$4,068 NZD
$2,289 USD
View
B+
Retailer 13
-
$4,198 NZD
A$3,634 AUD
View
A
Retailer 14
-
$4,248 NZD
$2,390 USD
View
B+
Retailer 15
-
$4,384 NZD
ZAR 39,851 ZAR
View
B+
Retailer 16
-
$5,471 NZD
$3,078 USD
View
B+
Retailer 17
-
$6,562 NZD
$3,692 USD
View
B+
Retailer 18
-
$7,598 NZD
SGD 5,777 SGD
View
B
Retailer 19
-
$7,683 NZD
£3,404 GBP
View
B+
Retailer 20
-
$7,921 NZD
$4,457 USD
View
B
Retailer 21
-
$8,195 NZD
$4,611 USD
View
B
Retailer 22
-
$9,340 NZD
A$8,085 AUD
View
Most Expensive
B
Brilliant Earth
21291996A · Nov 2
$12,797 NZD
$7,200 USD
View
22 more retailers have this diamond
Prices start from $1,953 NZDSave up to $10,843 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
6.51ct Heart
$1,953 NZD