CaratHunter
Plans
Marquise|Natural|GIA

0.80ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 5556742508

Certificate GIA 5556742508

Diamond specifications and retailer prices

From $1,245 USD
SGD 1,683 SGD
As of October 31, 2026
Save $2,099 USD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,344 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556742508. Listed at 5 retailers as of October 30, 2026, with prices from $1,245 to $3,344, a $2,099 spread on the same certified stone. NZ Jewellers lists it at $3,344. 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

0.80
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
OriginNatural
Grading LabGIA
CertificateGIA 5556742508
Dimensions9.76 × 4.68 × 2.97 mm
L/W Ratio2.09
Culet sizeNone
Key to symbols
Feather, Crystal, Knot
Top View
9.76 mm4.68 mm0.80 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556742508
Side View
Table 61.0%Crown 40°Girdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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 31
Current: $3,344 USD|Low: $1,175 USD|High: $3,389 USD|Avg: $1,926 USD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$1,245 USD
Retailer 5$1,265 USD
Retailer 2$1,515 USD
Retailer 3$1,780 USD
Retailer 6$2,003 USD
NZ Jewellers$3,344 USD

43 data points across 6 retailers

5 retailers$1,245 USD to $3,344 USD

A
Cheapest Retailer
-
$1,245 USD
SGD 1,683 SGD
A
Retailer 2
-
$1,265 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,515 USD
£1,193 GBP
View
B+
Retailer 4
-
$1,780 USD
€1,695 EUR
View
Most Expensive
B
NZ Jewellers
308be040-1b08-4330-915c-2e772a813a34 · Oct 30
$3,344 USD
View
4 more retailers have this diamond
Prices start from $1,245 USDSave up to $2,099 USD

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
0.80ct Marquise
$1,245 USD