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Marquise|Natural|GIA

0.99ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 15734060

Certificate GIA 15734060

Diamond specifications and retailer prices

From HK$23,536 HKD
As of November 4, 2026
Save HK$11,255 HKD (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$34,790 HKD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.99ct natural marquise diamond

This 0.99ct natural marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 15734060. Listed at 4 retailers as of November 4, 2026, with prices from HK$23,536 to HK$34,790, a HK$11,255 spread on the same certified stone. 77 Diamonds lists it at HK$34,790. 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

0.99
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 15734060
Dimensions9.68 × 5.29 × 3.32 mm
L/W Ratio1.83
Top View
9.68 mm5.29 mm0.99 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 15734060
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: SmallDepth 62.8%

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 4
Current: HK$34,790 HKD|Low: HK$23,371 HKD|High: HK$35,266 HKD|Avg: HK$29,355 HKD|+1.1%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2HK$23,708 HKD
77 DiamondsHK$34,790 HKD

34 data points across 2 retailers

4 retailersHK$23,536 HKD to HK$34,790 HKD

B+
Cheapest Retailer
-
HK$23,536 HKD
B+
Retailer 2
-
HK$23,708 HKD
View
B
Retailer 3
-
HK$25,481 HKD
View
Most Expensive
B
77 Diamonds
MQZMRR8DQUW · Nov 5
HK$34,790 HKD
£3,492 GBP
View
3 more retailers have this diamond
Prices start from HK$23,536 HKDSave up to HK$11,255 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+
0.99ct Marquise
HK$23,536 HKD