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Round|Lab Grown|IGI

3.09ct K VS1 Round Lab Grown Diamond

ID • K/VS1 • IGI LG649405978

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649405978

Diamond specifications and retailer prices

From $1,201 NZD
As of November 6, 2026
Save $2,007 NZD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,208 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649405978 or 649405978. Listed at 6 retailers as of November 5, 2026, with prices from $1,201 to $3,208, a $2,007 spread on the same certified stone. MOH London lists it at $3,208. 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

3.09
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405978
Dimensions9.57 × 9.50 × 5.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.57 mm9.50 mm3.09 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405978
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.2%

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 6
Current: $3,208 NZD|Low: $1,050 NZD|High: $3,256 NZD|Avg: $1,788 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$1,050 NZD
Retailer 3$1,201 NZD
Retailer 4$1,313 NZD
Retailer 5$1,459 NZD
Retailer 2$2,455 NZD
MOH London$3,208 NZD

15 data points across 6 retailers

6 retailers$1,201 NZD to $3,208 NZD

B+
Cheapest Retailer
-
$1,201 NZD
A
Retailer 2
-
$1,313 NZD
View
A
Retailer 3
-
$1,459 NZD
View
B+
Retailer 4
-
$2,455 NZD
View
Retailer 5
-
$2,490 NZD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
LG649405978 · Nov 5
$3,208 NZD
£1,420 GBP
View
5 more retailers have this diamond
Prices start from $1,201 NZDSave up to $2,007 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
3.09ct Round
$1,201 NZD