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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG496120136

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG496120136

Diamond specifications and retailer prices

From HK$5,665 HKD
$722 USD
As of October 29, 2026
Save HK$4,998 HKD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$18,484 HKD at NZ Jewellers · As of October 31, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496120136 or 496120136. Listed at 12 retailers as of October 29, 2026, with a 88% 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496120136
Dimensions7.89 × 5.71 × 3.51 mm
L/W Ratio1.38
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
7.89 mm5.71 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG496120136
Side View
Table 59.5%Crown 35.4°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 61.5%

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: HK$10,457 HKD|Low: HK$4,519 HKD|High: HK$26,156 HKD|Avg: HK$11,060 HKD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5HK$5,665 HKD
Retailer 8HK$6,339 HKD
Retailer 6HK$7,532 HKD
Retailer 3HK$7,963 HKD
Retailer 1HK$10,457 HKD
Retailer 7HK$10,662 HKD
Retailer 4HK$16,194 HKD
Retailer 2HK$25,956 HKD

40 data points across 8 retailers

12 retailersHK$5,665 HKD to HK$10,662 HKD

B+
Cheapest Retailer
-
HK$5,665 HKD
$722 USD
B
Retailer 2
-
HK$6,167 HKD
$786 USD
View
B
Retailer 3
-
HK$6,339 HKD
$808 USD
View
Final sale: no returns
Retailer 4
-
HK$6,575 HKD
$838 USD
View
Price last confirmed 18 days ago
B
Retailer 5
-
HK$6,575 HKD
$838 USD
View
B
Retailer 6
-
HK$7,532 HKD
$960 USD
View
B
Retailer 7
-
HK$7,963 HKD
$1,015 USD
View
B
Retailer 8
-
HK$10,457 HKD
£1,050 GBP
View
B
Retailer 9
-
HK$10,662 HKD
$1,359 USD
View
Retailer 10
-
HK$16,194 HKD
$2,064 USD
View
Price under review
Most Expensive
NZ Jewellers
de6f7770-cdbd-438e-afad-d51ba1b96945 · Oct 31
HK$18,484 HKD
$2,356 USD
View
Price under review
10 more retailers have this diamond
Prices start from HK$5,665 HKDSave up to HK$4,998 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$5,665 HKD