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Round|Lab Grown|GIA

1.73ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6455007454

Certificate GIA 6455007454

Diamond specifications and retailer prices

From HK$3,193 HKD
$407 USD
As of October 29, 2026
Save HK$12,351 HKD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$15,544 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round 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 GIA 6455007454. Listed at 16 retailers as of October 29, 2026, with prices from HK$3,193 to HK$15,544, a HK$12,351 spread on the same certified stone. MOH London lists it at HK$15,544. 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

1.73
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6455007454
Dimensions7.70 × 7.66 × 4.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.70 mm7.66 mm1.73 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6455007454
Side View
Table 58.0%Crown 34.5°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 61.7%

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 29
Current: HK$15,544 HKD|Low: HK$3,060 HKD|High: HK$15,644 HKD|Avg: HK$6,742 HKD|+0.6%
MOH London
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
October 30, 2026
Retailer 13HK$3,193 HKD
Retailer 3HK$3,570 HKD
Retailer 5HK$3,570 HKD
Retailer 7HK$3,954 HKD
Retailer 15HK$3,954 HKD
Retailer 10HK$5,100 HKD
Retailer 12HK$5,319 HKD
Retailer 8HK$5,912 HKD
Retailer 4HK$5,924 HKD
Retailer 9HK$6,071 HKD
Retailer 11HK$7,963 HKD
Retailer 2HK$8,944 HKD
Retailer 14HK$12,082 HKD
Retailer 6HK$12,718 HKD
MOH LondonHK$15,544 HKD

43 data points across 15 retailers

16 retailersHK$3,193 HKD to HK$15,544 HKD

A
Cheapest Retailer
-
HK$3,193 HKD
$407 USD
A
Retailer 2
-
HK$3,570 HKD
$455 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,570 HKD
$455 USD
View
A
Retailer 4
-
HK$3,954 HKD
$504 USD
View
A
Retailer 5
-
HK$3,954 HKD
$504 USD
View
B+
Retailer 6
-
HK$5,100 HKD
$650 USD
View
B+
Retailer 7
-
HK$5,319 HKD
$678 USD
View
B+
Retailer 8
-
HK$5,586 HKD
$712 USD
View
B+
Retailer 9
-
HK$5,912 HKD
£593 GBP
View
B+
Retailer 10
-
HK$5,924 HKD
$755 USD
View
B+
Retailer 11
-
HK$6,071 HKD
€737 EUR
View
Retailer 12
-
HK$7,963 HKD
$1,015 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
HK$8,944 HKD
$1,140 USD
View
B
Retailer 14
-
HK$12,082 HKD
$1,540 USD
View
B
Retailer 15
-
HK$12,718 HKD
$1,621 USD
View
Most Expensive
B
MOH London
6455007454 · Oct 29
HK$15,544 HKD
£1,560 GBP
View
15 more retailers have this diamond
Prices start from HK$3,193 HKDSave up to HK$12,351 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
1.73ct Round
HK$3,193 HKD