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Round|Lab Grown|IGI

1.30ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG478111978

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478111978

Diamond specifications and retailer prices

From $1,295 NZD
As of November 4, 2026
Save $5,468 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,763 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG478111978 or 478111978. Listed at 14 retailers as of October 29, 2026, with prices from $1,295 to $6,763, a $5,468 spread on the same certified stone. MOH London lists it at $6,763. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478111978
Dimensions6.96 × 6.94 × 4.31 mm
L/W Ratio1.00
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
6.96 mm6.94 mm1.30 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478111978
Side View
Table 58.5%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.1%

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 4
Current: $6,763 NZD|Low: $1,142 NZD|High: $6,818 NZD|Avg: $2,918 NZD|+0.5%
MOH London
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
October 30, 2026
Retailer 8$1,142 NZD
Retailer 2$1,295 NZD
Retailer 12$1,547 NZD
Retailer 15$1,684 NZD
Retailer 6$1,710 NZD
Retailer 17$1,731 NZD
Retailer 4$1,795 NZD
Retailer 13$1,795 NZD
Retailer 5$2,102 NZD
Retailer 7$2,741 NZD
Retailer 14$2,885 NZD
Retailer 10$3,298 NZD
Retailer 11$4,125 NZD
Retailer 3$4,946 NZD
Retailer 16$5,045 NZD
Retailer 9$5,136 NZD
MOH London$6,763 NZD

20 data points across 17 retailers

14 retailers$1,295 NZD to $6,763 NZD

A
Cheapest Retailer
-
$1,295 NZD
B+
Retailer 2
-
$1,547 NZD
View
B+
Retailer 3
-
$1,684 NZD
View
B+
Retailer 4
-
$1,710 NZD
View
B+
Retailer 5
-
$1,731 NZD
View
Final sale: no returns
B+
Retailer 6
-
$1,795 NZD
View
Retailer 7
-
$1,795 NZD
View
Price last confirmed 19 days ago
B
Retailer 8
-
$2,102 NZD
View
B
Retailer 9
-
$2,885 NZD
View
B
Retailer 10
-
$3,298 NZD
View
B
Retailer 11
-
$4,125 NZD
View
B
Retailer 12
-
$4,946 NZD
View
B
Retailer 13
-
$5,045 NZD
View
Most Expensive
B
MOH London
LG478111978 · Oct 29
$6,763 NZD
£3,002 GBP
View
13 more retailers have this diamond
Prices start from $1,295 NZDSave up to $5,468 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
1.30ct Round
$1,295 NZD