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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 $498 SGD
As of November 5, 2026
Save $1,483 SGD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,219 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,219 SGD|Low: $319 SGD|High: $3,219 SGD|Avg: $1,003 SGD
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$319 SGD
Retailer 5$353 SGD
Retailer 12$498 SGD
Retailer 13$651 SGD
Retailer 9$671 SGD
Retailer 14$740 SGD
Retailer 7$826 SGD
Retailer 10$855 SGD
Retailer 3$1,045 SGD
Retailer 8$1,219 SGD
Retailer 11$1,381 SGD
Retailer 6$1,604 SGD
Retailer 2$1,981 SGD
Do Amore Diamonds$3,219 SGD

34 data points across 14 retailers

16 retailers$498 SGD to $1,981 SGD

Retailer 1
-
$284 SGD
Price last confirmed 43 days ago
Retailer 2
-
$330 SGD
View
Price last confirmed 44 days ago
Retailer 3
-
$347 SGD
View
Price last confirmed 44 days ago
A
Retailer 4
-
$498 SGD
View
B+
Retailer 5
-
$651 SGD
View
B+
Retailer 6
-
$671 SGD
View
B
Retailer 7
-
$740 SGD
View
B
Retailer 8
-
$826 SGD
View
B
Retailer 9
-
$855 SGD
View
B
Retailer 10
-
$1,045 SGD
View
B
Retailer 11
-
$1,219 SGD
View
Retailer 12
-
$1,249 SGD
View
Price last confirmed 45 days ago
B
Retailer 13
-
$1,381 SGD
View
B
Retailer 14
-
$1,604 SGD
View
B
Retailer 15
-
$1,981 SGD
View
Most Expensive
Do Amore Diamonds
27-EF5FE3A7E · Nov 5
$3,219 SGD
$2,520 USD
View
Price under review
15 more retailers have this diamond
Prices start from $498 SGDSave up to $1,483 SGD

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
$498 SGD