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Oval|Lab Grown|IGI

6.50ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG620449651

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG620449651

Diamond specifications and retailer prices

From $1,547 NZD
$872 USD
As of October 29, 2026
Save $8,353 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,901 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.5ct lab-grown oval diamond

This 6.5ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620449651 or 620449651. Listed at 24 retailers as of October 29, 2026, with prices from $1,547 to $9,901, a $8,353 spread on the same certified stone. Brilliant Earth lists it at $9,901. 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

6.50
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620449651
Dimensions15.39 × 10.52 × 6.19 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.39 mm10.52 mm6.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620449651
Side View
Table 63.0%Crown 32.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 58.8%

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 29
Current: $9,901 NZD|Low: $1,485 NZD|High: $9,901 NZD|Avg: $3,616 NZD
Brilliant Earth
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
November 1, 2026
Retailer 3$1,547 NZD
Retailer 9$1,682 NZD
Retailer 6$1,732 NZD
Retailer 7$1,794 NZD
Retailer 2$1,921 NZD
Retailer 16$2,103 NZD
Retailer 17$2,569 NZD
Retailer 10$2,688 NZD
Retailer 18$2,726 NZD
Retailer 11$2,760 NZD
Retailer 12$3,325 NZD
Retailer 15$3,472 NZD
Retailer 13$3,542 NZD
Retailer 8$5,044 NZD
Retailer 4$5,614 NZD
Retailer 5$5,646 NZD
Retailer 14$6,762 NZD
Brilliant Earth$9,901 NZD

39 data points across 18 retailers

24 retailers$1,547 NZD to $9,901 NZD

A
Cheapest Retailer
-
$1,547 NZD
$872 USD
A
Retailer 2
-
$1,682 NZD
$948 USD
View
A
Retailer 3
-
$1,732 NZD
$976 USD
View
Final sale: no returns
Retailer 4
-
$1,794 NZD
$1,011 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,794 NZD
$1,011 USD
View
A
Retailer 6
-
$1,921 NZD
£853 GBP
View
A
Retailer 7
-
$2,103 NZD
$1,185 USD
View
B+
Retailer 8
-
$2,569 NZD
$1,448 USD
View
A
Retailer 9
-
$2,688 NZD
$1,515 USD
View
A
Retailer 10
-
$2,726 NZD
€1,463 EUR
View
A
Retailer 11
-
$2,760 NZD
£1,225 GBP
View
A
Retailer 12
-
$3,325 NZD
A$2,883 AUD
View
A
Retailer 13
-
$3,472 NZD
ZAR 31,609 ZAR
View
A
Retailer 14
-
$3,542 NZD
$1,996 USD
View
B+
Retailer 15
-
$4,364 NZD
$2,460 USD
View
B+
Retailer 16
-
$4,563 NZD
$2,572 USD
View
B+
Retailer 17
-
$4,948 NZD
£2,196 GBP
View
B+
Retailer 18
-
$5,044 NZD
$2,843 USD
View
B+
Retailer 19
-
$5,614 NZD
$3,164 USD
View
B+
Retailer 20
-
$5,646 NZD
$3,182 USD
View
B
Retailer 21
-
$6,226 NZD
$3,509 USD
View
B
Retailer 22
-
$6,762 NZD
£3,001 GBP
View
B
Retailer 23
-
$8,593 NZD
$4,843 USD
View
Most Expensive
B
Brilliant Earth
10794636A · Oct 31
$9,901 NZD
$5,580 USD
View
23 more retailers have this diamond
Prices start from $1,547 NZDSave up to $8,353 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
6.50ct Oval
$1,547 NZD