CaratHunter
Plans
Round|Natural|IGI

1.51ct F SI2 Round Natural Diamond

VG • F/SI2 • IGI 487189405

Shape and cutting style on the report: Round brilliant

Certificate IGI 487189405

Diamond specifications and retailer prices

From HK$54,260 HKD
₹658,629 INR
As of November 2, 2026
Save HK$66,369 HKD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$120,629 HKD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 487189405. Listed at 20 retailers as of November 2, 2026, with prices from HK$54,260 to HK$120,629, a HK$66,369 spread on the same certified stone. Diamond Quarter lists it at HK$120,629. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 487189405
Dimensions7.24 × 7.17 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.24 mm7.17 mm1.51 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 487189405
Side View
Table 59.5%Crown 36.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.9%

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: Nov 2
Current: HK$54,260 HKD|Low: HK$54,151 HKD|High: HK$119,755 HKD|Avg: HK$75,718 HKD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 1HK$54,260 HKD
Retailer 7HK$60,768 HKD
Retailer 12HK$61,090 HKD
Retailer 9HK$66,088 HKD
Retailer 11HK$66,096 HKD
Retailer 2HK$71,604 HKD
Retailer 10HK$72,702 HKD
Retailer 8HK$74,006 HKD
Retailer 5HK$76,019 HKD
Retailer 4HK$82,619 HKD
Retailer 6HK$99,795 HKD
Retailer 3HK$119,755 HKD

46 data points across 12 retailers

20 retailersHK$54,260 HKD to HK$120,629 HKD

B+
Cheapest Retailer
-
HK$54,260 HKD
₹658,629 INR
B+
Retailer 2
-
HK$60,768 HKD
$7,745 USD
View
B+
Retailer 3
-
HK$61,090 HKD
$7,786 USD
View
B+
Retailer 4
-
HK$61,890 HKD
$7,888 USD
View
B
Retailer 5
-
HK$66,088 HKD
$8,423 USD
View
Final sale: no returns
Retailer 6
-
HK$66,096 HKD
$8,424 USD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$71,604 HKD
$9,126 USD
View
Price last confirmed 11 days ago
Retailer 8
-
HK$71,604 HKD
$9,126 USD
View
Price last confirmed 46 days ago
Retailer 9
-
HK$71,604 HKD
$9,126 USD
View
Price last confirmed 47 days ago
Retailer 10
-
HK$72,702 HKD
$9,266 USD
View
Price last confirmed 11 days ago
B
Retailer 11
-
HK$73,182 HKD
$9,327 USD
View
B
Retailer 12
-
HK$76,019 HKD
£7,629 GBP
View
Retailer 13
-
HK$82,619 HKD
$10,530 USD
View
Price last confirmed 44 days ago
Retailer 14
-
HK$82,619 HKD
$10,530 USD
View
Price last confirmed 10 days ago
Retailer 15
-
HK$82,619 HKD
$10,530 USD
View
Price last confirmed 49 days ago
B
Retailer 16
-
HK$99,795 HKD
£10,015 GBP
View
Retailer 17
-
HK$119,755 HKD
$15,263 USD
View
Price last confirmed 42 days ago
Retailer 18
-
HK$119,755 HKD
$15,263 USD
View
Price last confirmed 10 days ago
Retailer 19
-
HK$119,755 HKD
$15,263 USD
View
Price last confirmed 49 days ago
Most Expensive
C
Diamond Quarter
1.51SI2F480558E2N · Nov 2
HK$120,629 HKD
£12,106 GBP
View
19 more retailers have this diamond
Prices start from HK$54,260 HKDSave up to HK$66,369 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+
1.51ct Round
HK$54,260 HKD