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Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG455035829

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG455035829

Diamond specifications and retailer prices

From HK$7,140 HKD
$910 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: HK$17,325 HKD at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455035829 or 455035829. Listed at 11 retailers as of October 29, 2026. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455035829
Dimensions7.44 × 5.70 × 3.57 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Top View
7.44 mm5.70 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455035829
Side View
Table 59.5%Crown 38.6°Girdle: ThickPavilion 39.3°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: HK$7,140 HKD|Low: HK$3,887 HKD|High: HK$26,268 HKD|Avg: HK$8,925 HKD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 21, 2026
Retailer 3HK$3,887 HKD
Retailer 7HK$5,312 HKD
Retailer 11HK$5,940 HKD
Retailer 2HK$6,159 HKD
Retailer 9HK$6,159 HKD
Retailer 1HK$7,140 HKD
Retailer 8HK$7,140 HKD
Retailer 4HK$9,846 HKD
Retailer 10HK$10,036 HKD
Retailer 6HK$15,740 HKD
Retailer 5HK$26,098 HKD

34 data points across 11 retailers

11 retailers

B+
Retailer 1
-
HK$5,312 HKD
$677 USD
Price last confirmed 11 days ago
B
Retailer 2
-
HK$5,783 HKD
$737 USD
View
Price last confirmed 15 days ago
B
Retailer 3
-
HK$6,159 HKD
$785 USD
View
Price last confirmed 13 days ago
B
Retailer 4
-
HK$6,159 HKD
$785 USD
View
Price last confirmed 10 days ago
B
Retailer 5
-
HK$7,140 HKD
$910 USD
View
B
Retailer 6
-
HK$7,140 HKD
$910 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$9,846 HKD
£988 GBP
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$10,036 HKD
$1,279 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
HK$15,740 HKD
$2,006 USD
View
Price under review
Most Expensive
B
NZ Jewellers
61a513c4-b84c-4a43-845b-87854a487531 · Oct 18
HK$17,325 HKD
$2,208 USD
View
Price under review
9 more retailers have this diamond
Prices start from HK$7,140 HKD

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 Oval
HK$7,140 HKD