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Round|Lab Grown|IGI

1.01ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG512220554

Shape and cutting style on the report: Round brilliant

Certificate IGI LG512220554

Diamond specifications and retailer prices

From $835 SGD
$653 USD
As of October 29, 2026
Save $744 SGD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,723 SGD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220554 or 512220554. Listed at 11 retailers as of October 29, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220554
Dimensions6.41 × 6.38 × 3.98 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
6.41 mm6.38 mm1.01 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220554
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,543 SGD|Low: $610 SGD|High: $4,129 SGD|Avg: $1,474 SGD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$610 SGD
Retailer 4$835 SGD
Retailer 8$935 SGD
Retailer 6$969 SGD
Retailer 5$984 SGD
Retailer 1$1,543 SGD
Retailer 7$1,579 SGD
Retailer 3$2,474 SGD
Retailer 2$4,101 SGD

41 data points across 9 retailers

11 retailers$835 SGD to $1,579 SGD

B
Cheapest Retailer
-
$835 SGD
$653 USD
B
Retailer 2
-
$909 SGD
$711 USD
View
B
Retailer 3
-
$935 SGD
$731 USD
View
Final sale: no returns
Retailer 4
-
$969 SGD
$758 USD
View
Price last confirmed 14 days ago
B
Retailer 5
-
$969 SGD
$758 USD
View
B
Retailer 6
-
$984 SGD
$770 USD
View
B
Retailer 7
-
$1,543 SGD
£950 GBP
View
B
Retailer 8
-
$1,579 SGD
$1,235 USD
View
Retailer 9
-
$2,474 SGD
$1,935 USD
View
Price under review
Most Expensive
NZ Jewellers
2b6cd39f-7bfd-4dc7-9e52-491bf7a2bcd3 · Oct 31
$2,723 SGD
$2,130 USD
View
Price under review
9 more retailers have this diamond
Prices start from $835 SGDSave up to $744 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.

B
1.01ct Round
$835 SGD