Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6392613089

Certificate GIA 6392613089

Diamond specifications and retailer prices

From HK$82,851 HKD
$10,560 USD
As of October 25, 2026
Save HK$79,868 HKD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$162,719 HKD at Diamond Quarter · As of October 31, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6392613089. Listed at 18 retailers as of October 25, 2026, with prices from HK$82,851 to HK$162,719, a HK$79,868 spread on the same certified stone. Diamond Quarter lists it at HK$162,719. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392613089
Dimensions7.34 × 7.29 × 4.55 mm
L/W Ratio1.01
Top View
7.34 mm7.29 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6392613089
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

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 25
Current: HK$100,731 HKD|Low: HK$78,127 HKD|High: HK$156,263 HKD|Avg: HK$111,516 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5HK$82,851 HKD
Retailer 6HK$93,756 HKD
Retailer 8HK$93,756 HKD
Retailer 1HK$100,731 HKD
Retailer 2HK$101,570 HKD
Retailer 7HK$103,132 HKD
Retailer 3HK$113,478 HKD
Retailer 9HK$117,199 HKD
Retailer 4HK$147,209 HKD
Retailer 10HK$156,263 HKD

41 data points across 10 retailers

18 retailersHK$82,851 HKD to HK$162,719 HKD

B+
Cheapest Retailer
-
HK$82,851 HKD
$10,560 USD
B+
Retailer 2
-
HK$85,542 HKD
$10,903 USD
View
B+
Retailer 3
-
HK$86,985 HKD
$11,087 USD
View
B+
Retailer 4
-
HK$88,290 HKD
CA$15,630 CAD
View
B+
Retailer 5
-
HK$93,756 HKD
$11,950 USD
View
B+
Retailer 6
-
HK$93,756 HKD
$11,950 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$100,731 HKD
£10,109 GBP
View
B
Retailer 8
-
HK$101,570 HKD
$12,946 USD
View
B
Retailer 9
-
HK$103,132 HKD
$13,145 USD
View
B
Retailer 10
-
HK$108,428 HKD
$13,820 USD
View
B
Retailer 11
-
HK$108,428 HKD
$13,820 USD
View
B
Retailer 12
-
HK$108,545 HKD
$13,835 USD
View
B
Retailer 13
-
HK$112,037 HKD
$14,280 USD
View
B
Retailer 14
-
HK$113,478 HKD
€13,775 EUR
View
B
Retailer 15
-
HK$117,199 HKD
$14,938 USD
View
B
Retailer 16
-
HK$147,209 HKD
£14,774 GBP
View
B
Retailer 17
-
HK$156,263 HKD
$19,917 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D638976D1N · Oct 31
HK$162,719 HKD
£16,331 GBP
View
17 more retailers have this diamond
Prices start from HK$82,851 HKDSave up to HK$79,868 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$82,851 HKD