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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1242017096

Certificate GIA 1242017096

Diamond specifications and retailer prices

From HK$55,393 HKD
$7,060 USD
As of November 1, 2026
Save HK$22,565 HKD (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$122,297 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 top-tier cut grade and certified by GIA 1242017096. Listed at 14 retailers as of November 1, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242017096
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242017096
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 1
Current: HK$71,394 HKD|Low: HK$55,393 HKD|High: HK$103,133 HKD|Avg: HK$71,159 HKD|+6.2%
Retailer 1
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
November 2, 2026
Retailer 4HK$55,393 HKD
Retailer 6HK$58,832 HKD
Retailer 5HK$60,036 HKD
Retailer 9HK$61,153 HKD
Retailer 2HK$65,159 HKD
Retailer 14HK$67,790 HKD
Retailer 1HK$71,394 HKD
Retailer 10HK$72,655 HKD
Retailer 11HK$72,655 HKD
Retailer 12HK$75,087 HKD
Retailer 7HK$75,587 HKD
Retailer 3HK$77,959 HKD
Retailer 13HK$80,517 HKD
Retailer 8HK$103,133 HKD

38 data points across 14 retailers

14 retailersHK$55,393 HKD to HK$77,959 HKD

B+
Cheapest Retailer
-
HK$55,393 HKD
$7,060 USD
B+
Retailer 2
-
HK$58,832 HKD
$7,498 USD
View
B+
Retailer 3
-
HK$60,036 HKD
CA$10,627 CAD
View
Retailer 4
-
HK$66,245 HKD
$8,443 USD
View
Price last confirmed 32 days ago
Retailer 5
-
HK$67,265 HKD
$8,573 USD
View
Price last confirmed 34 days ago
B+
Retailer 6
-
HK$67,790 HKD
$8,640 USD
View
B
Retailer 7
-
HK$70,207 HKD
$8,948 USD
View
B+
Retailer 8
-
HK$71,394 HKD
£7,165 GBP
View
B+
Retailer 9
-
HK$75,587 HKD
€9,175 EUR
View
Retailer 10
-
HK$76,437 HKD
$9,742 USD
View
Price last confirmed 34 days ago
B
Retailer 11
-
HK$77,959 HKD
$9,936 USD
View
Retailer 12
-
HK$80,517 HKD
$10,262 USD
View
Price last confirmed 32 days ago
Retailer 13
-
HK$103,133 HKD
£10,350 GBP
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
cd07d860-0138-4b01-aa21-a8bee6ea6b1c · Sep 28
HK$122,297 HKD
$15,587 USD
View
Price last confirmed 35 days ago
13 more retailers have this diamond
Prices start from HK$55,393 HKDSave up to HK$22,565 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$55,393 HKD