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Round|Lab Grown|IGI

1.18ct H VVS1 Round Lab Grown Diamond

EX • H/VVS1 • IGI LG12377002

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12377002

Diamond specifications and retailer prices

From $490 AUD
$344 USD
As of October 29, 2026
Save $2,139 AUD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,629 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.18ct lab-grown round diamond

This 1.18ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG12377002 or 12377002. Listed at 20 retailers as of October 29, 2026, with prices from $490 to $2,629, a $2,139 spread on the same certified stone. MOH London lists it at $2,629. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12377002
Dimensions6.77 × 6.80 × 4.21 mm
L/W Ratio1.00
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.77 mm6.80 mm1.18 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12377002
Side View
Table 59.0%Crown 35°Girdle: MED-UNDPavilion 41.5°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 29
Current: $2,629 AUD|Low: $488 AUD|High: $4,342 AUD|Avg: $1,407 AUD|+0.3%
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 3$490 AUD
Retailer 17$568 AUD
Retailer 4$572 AUD
Retailer 12$584 AUD
Retailer 6$606 AUD
Retailer 15$606 AUD
Retailer 8$826 AUD
Retailer 10$1,027 AUD
Retailer 18$1,058 AUD
Retailer 2$1,118 AUD
Retailer 14$1,150 AUD
Retailer 11$1,166 AUD
Retailer 13$1,631 AUD
Retailer 19$1,778 AUD
Retailer 9$1,788 AUD
Retailer 16$2,152 AUD
Retailer 5$2,373 AUD
MOH London$2,629 AUD
Retailer 7$4,342 AUD

14 data points across 19 retailers

20 retailers$490 AUD to $2,629 AUD

A
Cheapest Retailer
-
$490 AUD
$344 USD
A
Retailer 2
-
$568 AUD
$399 USD
View
A
Retailer 3
-
$572 AUD
$402 USD
View
A
Retailer 4
-
$584 AUD
$410 USD
View
A
Retailer 5
-
$606 AUD
$426 USD
View
A
Retailer 6
-
$606 AUD
$426 USD
View
B+
Retailer 7
-
$826 AUD
$580 USD
View
B
Retailer 8
-
$1,027 AUD
$722 USD
View
B
Retailer 9
-
$1,058 AUD
$743 USD
View
B
Retailer 10
-
$1,118 AUD
£618 GBP
View
B
Retailer 11
-
$1,150 AUD
ZAR 13,053 ZAR
View
B
Retailer 12
-
$1,166 AUD
$819 USD
View
B
Retailer 13
-
$1,509 AUD
$1,060 USD
View
B
Retailer 14
-
$1,631 AUD
View
B
Retailer 15
-
$1,778 AUD
$1,249 USD
View
B
Retailer 16
-
$1,788 AUD
$1,256 USD
View
B
Retailer 17
-
$2,152 AUD
$1,512 USD
View
B
Retailer 18
-
$2,373 AUD
$1,667 USD
View
Most Expensive
B
MOH London
LG12377002 · Oct 29
$2,629 AUD
£1,454 GBP
View
18 more retailers have this diamond
Prices start from $490 AUDSave up to $2,139 AUD

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
1.18ct Round
$490 AUD