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Round|Lab Grown|GIA

15.20ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 5473896839

Certificate GIA 5473896839

Diamond specifications and retailer prices

From HK$78,096 HKD
$9,954 USD
As of October 29, 2026
Save HK$102,747 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$180,843 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.2ct lab-grown round diamond

This 15.2ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5473896839. Listed at 13 retailers as of October 29, 2026, with prices from HK$78,096 to HK$180,843, a HK$102,747 spread on the same certified stone. Brilliant Earth lists it at HK$180,843. 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

15.20
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 5473896839
Dimensions16.13 × 16.02 × 9.68 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
16.13 mm16.02 mm15.20 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5473896839
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.8°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: HK$180,843 HKD|Low: HK$63,746 HKD|High: HK$487,296 HKD|Avg: HK$145,358 HKD|-3.0%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 10HK$63,746 HKD
Retailer 14HK$78,096 HKD
Retailer 2HK$80,552 HKD
Retailer 4HK$81,219 HKD
Retailer 16HK$82,168 HKD
Retailer 5HK$90,037 HKD
Retailer 3HK$93,709 HKD
Retailer 12HK$96,706 HKD
Retailer 9HK$96,737 HKD
Retailer 11HK$99,170 HKD
Retailer 15HK$137,198 HKD
Retailer 7HK$157,366 HKD
Retailer 6HK$162,823 HKD
Brilliant EarthHK$180,843 HKD
Retailer 8HK$362,883 HKD
Retailer 13HK$487,296 HKD

38 data points across 16 retailers

13 retailersHK$78,096 HKD to HK$180,843 HKD

Retailer 1
-
HK$63,746 HKD
$8,125 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
HK$78,096 HKD
$9,954 USD
View
B+
Retailer 3
-
HK$80,552 HKD
£8,084 GBP
View
B
Retailer 4
-
HK$81,219 HKD
$10,352 USD
View
B
Retailer 5
-
HK$82,168 HKD
$10,473 USD
View
B+
Retailer 6
-
HK$90,037 HKD
$11,476 USD
View
Final sale: no returns
B
Retailer 7
-
HK$93,709 HKD
$11,944 USD
View
B
Retailer 8
-
HK$96,706 HKD
$12,326 USD
View
B
Retailer 9
-
HK$96,737 HKD
$12,330 USD
View
B
Retailer 10
-
HK$99,170 HKD
$12,640 USD
View
B
Retailer 11
-
HK$137,198 HKD
$17,487 USD
View
Most Expensive
B
Brilliant Earth
15271331Y · Oct 31
HK$180,843 HKD
$23,050 USD
View
11 more retailers have this diamond
Prices start from HK$78,096 HKDSave up to HK$102,747 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+
15.20ct Round
HK$78,096 HKD