Oval|Lab Grown|IGI

6.51ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG733538436

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG733538436

Diamond specifications and retailer prices

From $1,924 NZD
£854 GBP
As of November 1, 2026
Save $5,783 NZD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,707 NZD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 6.51ct lab-grown oval diamond

This 6.51ct 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 LG733538436 or 733538436. Listed at 10 retailers as of October 28, 2026, with prices from $1,924 to $7,707, a $5,783 spread on the same certified stone. Taylor and Hart lists it at $7,707. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733538436
Dimensions15.34 × 10.49 × 6.37 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.34 mm10.49 mm6.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733538436
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 1
Current: $1,924 NZD|Low: $1,924 NZD|High: $8,050 NZD|Avg: $4,436 NZD|-1.3%
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
November 1, 2026
Retailer 1$1,924 NZD
Retailer 7$2,209 NZD
Retailer 9$2,885 NZD
Retailer 2$2,912 NZD
Retailer 11$3,176 NZD
Retailer 13$3,676 NZD
Retailer 3$4,093 NZD
Retailer 8$4,131 NZD
Retailer 5$4,606 NZD
Retailer 12$4,697 NZD
Retailer 6$6,084 NZD
Retailer 14$6,387 NZD
Retailer 10$6,771 NZD
Retailer 4$7,692 NZD

35 data points across 14 retailers

10 retailers$1,924 NZD to $7,707 NZD

A
Cheapest Retailer
-
$1,924 NZD
£854 GBP
A
Retailer 2
-
$2,209 NZD
$1,245 USD
View
B+
Retailer 3
-
$2,885 NZD
$1,626 USD
View
A
Retailer 4
-
$3,176 NZD
£1,410 GBP
View
B+
Retailer 5
-
$4,131 NZD
$2,328 USD
View
B+
Retailer 6
-
$4,697 NZD
$2,647 USD
View
B
Retailer 7
-
$6,387 NZD
$3,600 USD
View
B
Retailer 8
-
$6,771 NZD
£3,005 GBP
View
Retailer 9
-
$7,692 NZD
$4,335 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Taylor and Hart
QSQCEUL · Oct 28
$7,707 NZD
$4,344 USD
View
9 more retailers have this diamond
Prices start from $1,924 NZDSave up to $5,783 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 Oval
$1,924 NZD