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Oval|Lab Grown|IGI

1.72ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG735550873

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735550873

Diamond specifications and retailer prices

From HK$1,797 HKD
$229 USD
As of October 29, 2026
Save HK$9,187 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$10,984 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.72ct lab-grown oval diamond

This 1.72ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG735550873 or 735550873. Listed at 19 retailers as of October 29, 2026, with prices from HK$1,797 to HK$10,984, a HK$9,187 spread on the same certified stone. Brilliant Earth lists it at HK$10,984. 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

1.72
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735550873
Dimensions10.02 × 6.61 × 4.18 mm
L/W Ratio1.52
Girdle conditionFaceted
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
10.02 mm6.61 mm1.72 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735550873
Side View
Table 61.0%Crown 35.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.2%

Caratlytics Score

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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: Oct 29
Current: HK$10,984 HKD|Low: HK$1,726 HKD|High: HK$10,984 HKD|Avg: HK$4,757 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 12HK$1,797 HKD
Retailer 6HK$2,008 HKD
Retailer 4HK$2,087 HKD
Retailer 13HK$2,228 HKD
Retailer 2HK$2,487 HKD
Retailer 8HK$3,666 HKD
Retailer 14HK$3,782 HKD
Retailer 7HK$4,186 HKD
Retailer 5HK$4,864 HKD
Retailer 3HK$7,163 HKD
Retailer 11HK$7,187 HKD
Retailer 10HK$8,978 HKD
Retailer 9HK$8,983 HKD
Brilliant EarthHK$10,984 HKD

43 data points across 14 retailers

19 retailersHK$1,797 HKD to HK$10,984 HKD

A
Cheapest Retailer
-
HK$1,797 HKD
$229 USD
A
Retailer 2
-
HK$2,008 HKD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,087 HKD
$266 USD
View
A
Retailer 4
-
HK$2,228 HKD
$284 USD
View
A
Retailer 5
-
HK$2,228 HKD
$284 USD
View
A
Retailer 6
-
HK$2,487 HKD
£250 GBP
View
A
Retailer 7
-
HK$3,666 HKD
€445 EUR
View
B+
Retailer 8
-
HK$3,782 HKD
$482 USD
View
A
Retailer 9
-
HK$4,186 HKD
£420 GBP
View
B+
Retailer 10
-
HK$4,864 HKD
$620 USD
View
B+
Retailer 11
-
HK$4,896 HKD
$624 USD
View
B
Retailer 12
-
HK$7,118 HKD
SGD 1,226 SGD
View
B
Retailer 13
-
HK$7,163 HKD
$913 USD
View
B+
Retailer 14
-
HK$7,187 HKD
$916 USD
View
B
Retailer 15
-
HK$7,573 HKD
$965 USD
View
B
Retailer 16
-
HK$8,978 HKD
£901 GBP
View
Retailer 17
-
HK$8,983 HKD
$1,145 USD
View
Price last confirmed 12 days ago
Retailer 18
-
HK$9,101 HKD
$1,160 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Brilliant Earth
16385956A · Oct 29
HK$10,984 HKD
$1,400 USD
View
18 more retailers have this diamond
Prices start from HK$1,797 HKDSave up to HK$9,187 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.

A
1.72ct Oval
HK$1,797 HKD