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Round|Lab Grown|IGI

1.21ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG470150718

Shape and cutting style on the report: Round brilliant

Certificate IGI LG470150718

Diamond specifications and retailer prices

From $520 SGD
As of November 5, 2026
Save $1,514 SGD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,295 SGD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct 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 LG470150718 or 470150718. Listed at 10 retailers as of November 3, 2026, with a 291% 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

1.21
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470150718
Dimensions6.89 × 6.83 × 4.20 mm
L/W Ratio1.01
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
6.89 mm6.83 mm1.21 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470150718
Side View
Table 57.5%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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: $3,295 SGD|Low: $324 SGD|High: $3,295 SGD|Avg: $1,086 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 11$324 SGD
Retailer 7$520 SGD
Retailer 8$658 SGD
Retailer 9$755 SGD
Retailer 5$875 SGD
Retailer 10$1,061 SGD
Retailer 2$1,247 SGD
Retailer 6$1,413 SGD
Retailer 3$1,644 SGD
Retailer 4$2,033 SGD
Do Amore Diamonds$3,295 SGD

21 data points across 11 retailers

10 retailers$520 SGD to $2,033 SGD

A
Cheapest Retailer
-
$520 SGD
B+
Retailer 2
-
$658 SGD
View
B
Retailer 3
-
$755 SGD
View
B
Retailer 4
-
$875 SGD
View
B+
Retailer 5
-
$1,061 SGD
View
B
Retailer 6
-
$1,247 SGD
View
B
Retailer 7
-
$1,413 SGD
View
B
Retailer 8
-
$1,644 SGD
View
B
Retailer 9
-
$2,033 SGD
View
Most Expensive
Do Amore Diamonds
27-54A1A685B · Nov 5
$3,295 SGD
$2,580 USD
View
Price under review
9 more retailers have this diamond
Prices start from $520 SGDSave up to $1,514 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
1.21ct Round
$520 SGD