Marquise|Natural|GIA

0.50ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 2546697194

Certificate GIA 2546697194

Diamond specifications and retailer prices

From $868 USD
As of November 2, 2026
Save $1,098 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,618 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546697194. Listed at 20 retailers as of November 2, 2026, with a 126% 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

0.50
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle35.9°
OriginNatural
Grading LabGIA
CertificateGIA 2546697194
Dimensions8.16 × 4.09 × 2.59 mm
L/W Ratio2.00
Top View
8.16 mm4.09 mm0.50 ctG / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546697194
Side View
Table 56.0%Crown 33.5°Girdle: MED-VTKPavilion 35.9°Culet: NoneDepth 63.4%

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 2
Current: $2,618 USD|Low: $868 USD|High: $2,618 USD|Avg: $1,280 USD
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 9$868 USD
Retailer 12$977 USD
Retailer 7$980 USD
Retailer 13$990 USD
Retailer 4$1,028 USD
Retailer 3$1,074 USD
Retailer 16$1,074 USD
Retailer 15$1,115 USD
Retailer 6$1,207 USD
Retailer 8$1,210 USD
Retailer 17$1,239 USD
Retailer 10$1,256 USD
Retailer 5$1,362 USD
Retailer 14$1,404 USD
Retailer 11$1,657 USD
Retailer 2$1,966 USD
NZ Jewellers$2,618 USD

45 data points across 17 retailers

20 retailers$868 USD to $1,966 USD

B+
Cheapest Retailer
-
$868 USD
B+
Retailer 2
-
$977 USD
SGD 1,320 SGD
View
B
Retailer 3
-
$980 USD
View
B
Retailer 4
-
$990 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,028 USD
View
B
Retailer 6
-
$1,074 USD
View
Retailer 7
-
$1,074 USD
View
Price last confirmed 34 days ago
B
Retailer 8
-
$1,074 USD
View
B
Retailer 9
-
$1,115 USD
View
B
Retailer 10
-
$1,207 USD
View
B
Retailer 11
-
$1,210 USD
View
B
Retailer 12
-
$1,239 USD
View
Retailer 13
-
$1,239 USD
View
Price last confirmed 34 days ago
B
Retailer 14
-
$1,256 USD
£989 GBP
View
B
Retailer 15
-
$1,362 USD
View
Retailer 16
-
$1,404 USD
A$2,160 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$1,657 USD
ZAR 26,772 ZAR
View
B
Retailer 18
-
$1,966 USD
£1,548 GBP
View
Retailer 19
-
$2,618 USD
View
Price under review
Most Expensive
NZ Jewellers
4f4d8d87-1edb-4f18-9494-850b760bb054 · Oct 30
$2,618 USD
View
Price under review
19 more retailers have this diamond
Prices start from $868 USDSave up to $1,098 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.

B+
0.50ct Marquise
$868 USD