CaratHunter
Plans
Round|Lab Grown|IGI

1.18ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG455011431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455011431

Diamond specifications and retailer prices

From $557 AUD
As of November 5, 2026
Save $1,658 AUD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,600 AUD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

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 LG455011431 or 455011431. Listed at 16 retailers as of November 5, 2026, with a 298% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455011431
Dimensions6.78 × 6.76 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.78 mm6.76 mm1.18 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455011431
Side View
Table 57.5%Crown 35°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.2%

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 5
Current: $3,600 AUD|Low: $357 AUD|High: $3,600 AUD|Avg: $1,122 AUD
Do Amore Diamonds
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 5, 2026
Retailer 4$357 AUD
Retailer 5$394 AUD
Retailer 12$557 AUD
Retailer 13$729 AUD
Retailer 9$750 AUD
Retailer 14$827 AUD
Retailer 7$924 AUD
Retailer 10$956 AUD
Retailer 3$1,169 AUD
Retailer 8$1,363 AUD
Retailer 11$1,544 AUD
Retailer 6$1,794 AUD
Retailer 2$2,216 AUD
Do Amore Diamonds$3,600 AUD

34 data points across 14 retailers

16 retailers$557 AUD to $2,216 AUD

Retailer 1
-
$317 AUD
Price last confirmed 43 days ago
Retailer 2
-
$369 AUD
View
Price last confirmed 44 days ago
Retailer 3
-
$389 AUD
View
Price last confirmed 44 days ago
A
Retailer 4
-
$557 AUD
View
B+
Retailer 5
-
$729 AUD
View
B+
Retailer 6
-
$750 AUD
View
B
Retailer 7
-
$827 AUD
View
B
Retailer 8
-
$924 AUD
View
B
Retailer 9
-
$956 AUD
View
B
Retailer 10
-
$1,169 AUD
View
B
Retailer 11
-
$1,363 AUD
View
Retailer 12
-
$1,397 AUD
View
Price last confirmed 45 days ago
B
Retailer 13
-
$1,544 AUD
View
B
Retailer 14
-
$1,794 AUD
View
B
Retailer 15
-
$2,216 AUD
View
Most Expensive
Do Amore Diamonds
27-EF5FE3A7E · Nov 5
$3,600 AUD
$2,520 USD
View
Price under review
15 more retailers have this diamond
Prices start from $557 AUDSave up to $1,658 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
$557 AUD