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Round|Lab Grown|IGI

1.00ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG472170717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG472170717

Diamond specifications and retailer prices

From $829 SGD
$647 USD
As of October 29, 2026
Save $742 SGD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,704 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct lab-grown round diamond

This 1ct 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 LG472170717 or 472170717. Listed at 11 retailers as of October 28, 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472170717
Dimensions6.45 × 6.43 × 3.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.45 mm6.43 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472170717
Side View
Table 58.5%Crown 34°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,704 SGD|Low: $661 SGD|High: $4,100 SGD|Avg: $1,580 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$829 SGD
Retailer 10$902 SGD
Retailer 9$928 SGD
Retailer 7$961 SGD
Retailer 6$974 SGD
Retailer 2$1,527 SGD
Retailer 8$1,571 SGD
Retailer 4$2,457 SGD
NZ Jewellers$2,704 SGD
Retailer 3$4,056 SGD

43 data points across 10 retailers

11 retailers$829 SGD to $1,571 SGD

B+
Cheapest Retailer
-
$829 SGD
$647 USD
B
Retailer 2
-
$902 SGD
$704 USD
View
B
Retailer 3
-
$928 SGD
$724 USD
View
Final sale: no returns
B
Retailer 4
-
$961 SGD
$750 USD
View
Price last confirmed 13 days ago
B
Retailer 5
-
$961 SGD
$750 USD
View
B
Retailer 6
-
$974 SGD
$760 USD
View
B
Retailer 7
-
$1,527 SGD
£938 GBP
View
B
Retailer 8
-
$1,571 SGD
$1,226 USD
View
B
Retailer 9
-
$2,457 SGD
$1,917 USD
View
Price under review
Most Expensive
B
NZ Jewellers
415f9937-45e6-4b2c-89b4-da4c0c4a1a1d · Oct 27
$2,704 SGD
$2,110 USD
View
Price under review
9 more retailers have this diamond
Prices start from $829 SGDSave up to $742 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+
1.00ct Round
$829 SGD