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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 $730 USD
As of October 30, 2026
Save $3,083 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,813 USD 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 $730 to $3,813, a $3,083 spread on the same certified stone. MOH London lists it at $3,813. 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
Color
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: Oct 30
Current: $3,813 USD|Low: $644 USD|High: $3,843 USD|Avg: $1,626 USD|+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$644 USD
Retailer 2$730 USD
Retailer 12$872 USD
Retailer 15$949 USD
Retailer 6$964 USD
Retailer 17$976 USD
Retailer 4$1,012 USD
Retailer 13$1,012 USD
Retailer 5$1,185 USD
Retailer 7$1,545 USD
Retailer 14$1,626 USD
Retailer 10$1,859 USD
Retailer 11$2,325 USD
Retailer 3$2,789 USD
Retailer 16$2,844 USD
Retailer 9$2,896 USD
MOH London$3,813 USD

24 data points across 17 retailers

14 retailers$730 USD to $3,813 USD

A
Cheapest Retailer
-
$730 USD
B+
Retailer 2
-
$872 USD
View
B+
Retailer 3
-
$949 USD
View
B+
Retailer 4
-
$964 USD
View
B+
Retailer 5
-
$976 USD
View
Final sale: no returns
B+
Retailer 6
-
$1,012 USD
View
Retailer 7
-
$1,012 USD
View
Price last confirmed 14 days ago
B
Retailer 8
-
$1,185 USD
View
B
Retailer 9
-
$1,626 USD
View
B
Retailer 10
-
$1,859 USD
ZAR 30,039 ZAR
View
B
Retailer 11
-
$2,325 USD
View
B
Retailer 12
-
$2,789 USD
£2,196 GBP
View
B
Retailer 13
-
$2,844 USD
View
Most Expensive
B
MOH London
LG478111978 · Oct 29
$3,813 USD
£3,002 GBP
View
13 more retailers have this diamond
Prices start from $730 USDSave up to $3,083 USD

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
$730 USD