CaratHunter
Plans
Cushion|Natural|GIA

1.30ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6421716473

Certificate GIA 6421716473

Diamond specifications and retailer prices

From HK$17,622 HKD
$2,246 USD
As of October 29, 2026
Save HK$17,194 HKD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$34,816 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6421716473. Listed at 12 retailers as of October 29, 2026, with prices from HK$17,622 to HK$34,816, a HK$17,194 spread on the same certified stone. MOH London lists it at HK$34,816. 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

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421716473
Dimensions6.01 × 5.94 × 4.12 mm
L/W Ratio1.01
Top View
6.01 mm5.94 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6421716473
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.3%

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$34,816 HKD|Low: HK$17,622 HKD|High: HK$35,055 HKD|Avg: HK$22,170 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10HK$17,622 HKD
Retailer 5HK$17,715 HKD
Retailer 8HK$19,584 HKD
Retailer 9HK$19,584 HKD
Retailer 11HK$19,741 HKD
Retailer 6HK$19,741 HKD
Retailer 2HK$21,329 HKD
Retailer 3HK$21,498 HKD
Retailer 4HK$23,356 HKD
Retailer 7HK$28,723 HKD
MOH LondonHK$34,816 HKD

39 data points across 11 retailers

12 retailersHK$17,622 HKD to HK$34,816 HKD

A
Cheapest Retailer
-
HK$17,622 HKD
$2,246 USD
A
Retailer 2
-
HK$17,715 HKD
$2,258 USD
View
A
Retailer 3
-
HK$19,584 HKD
$2,496 USD
View
A
Retailer 4
-
HK$19,584 HKD
$2,496 USD
View
A
Retailer 5
-
HK$19,741 HKD
CA$3,494 CAD
View
A
Retailer 6
-
HK$19,741 HKD
$2,516 USD
View
A
Retailer 7
-
HK$20,871 HKD
$2,660 USD
View
A
Retailer 8
-
HK$20,871 HKD
$2,660 USD
View
A
Retailer 9
-
HK$21,329 HKD
£2,140 GBP
View
A
Retailer 10
-
HK$21,498 HKD
$2,740 USD
View
B+
Retailer 11
-
HK$23,356 HKD
€2,835 EUR
View
Most Expensive
B
MOH London
38CB6E673 · Oct 29
HK$34,816 HKD
£3,494 GBP
View
11 more retailers have this diamond
Prices start from HK$17,622 HKDSave up to HK$17,194 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
1.30ct Cushion
HK$17,622 HKD