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Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG557240795

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG557240795

Diamond specifications and retailer prices

From HK$3,570 HKD
$455 USD
As of October 30, 2026
Save HK$6,520 HKD (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,090 HKD at B2C Jewels · As of October 25, 2026
View at B2C Jewels

About this 1.5ct lab-grown oval diamond

This 1.5ct 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 LG557240795 or 557240795. Listed at 13 retailers as of October 25, 2026, with prices from HK$3,570 to HK$10,090, a HK$6,520 spread on the same certified stone. B2C Jewels lists it at HK$10,090. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557240795
Dimensions9.12 × 6.58 × 4.05 mm
L/W Ratio1.39
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
9.12 mm6.58 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557240795
Side View
Table 61.0%Crown 34.2°Girdle: Med.Pavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$10,090 HKD|Low: HK$1,608 HKD|High: HK$10,090 HKD|Avg: HK$4,685 HKD|+119.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7HK$1,679 HKD
Retailer 3HK$1,946 HKD
Retailer 8HK$2,079 HKD
Retailer 9HK$3,570 HKD
Retailer 2HK$3,849 HKD
Retailer 10HK$3,860 HKD
Retailer 11HK$6,685 HKD
Retailer 6HK$6,708 HKD
Retailer 5HK$7,375 HKD
Retailer 4HK$8,340 HKD
B2C JewelsHK$10,090 HKD

41 data points across 11 retailers

13 retailersHK$3,570 HKD to HK$10,090 HKD

Retailer 1
-
HK$1,679 HKD
$214 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$1,946 HKD
$248 USD
View
Price last confirmed 11 days ago
Retailer 3
-
HK$2,079 HKD
$265 USD
View
Price last confirmed 15 days ago
Retailer 4
-
HK$2,079 HKD
$265 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$3,570 HKD
$455 USD
View
A
Retailer 6
-
HK$3,849 HKD
£386 GBP
View
B+
Retailer 7
-
HK$3,860 HKD
$492 USD
View
B+
Retailer 8
-
HK$4,660 HKD
$594 USD
View
Retailer 9
-
HK$6,685 HKD
$852 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
HK$6,708 HKD
$855 USD
View
Retailer 11
-
HK$7,375 HKD
$940 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
HK$8,340 HKD
£837 GBP
View
Most Expensive
B
B2C Jewels
21586892 · Oct 25
HK$10,090 HKD
$1,286 USD
View
12 more retailers have this diamond
Prices start from HK$3,570 HKDSave up to HK$6,520 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
1.50ct Oval
HK$3,570 HKD