Marquise|Natural|GIA

0.42ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6552563969

Certificate GIA 6552563969

Diamond specifications and retailer prices

From $456 USD
SGD 616 SGD
As of November 1, 2026
Save $225 USD (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $681 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.42ct natural marquise diamond

This 0.42ct natural marquise sits in the sub-half-carat band, graded H 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 6552563969. Listed at 10 retailers as of October 27, 2026, with prices from $456 to $681, a $225 spread on the same certified stone. Wholesale Diamonds Direct lists it at $681. 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

0.42
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.59°
Pavilion angle37.13°
OriginNatural
Grading LabGIA
CertificateGIA 6552563969
Dimensions7.58 × 3.96 × 2.31 mm
L/W Ratio1.91
Culet sizeNone
Top View
7.58 mm3.96 mm0.42 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552563969
Side View
Table 59.0%Crown 37.59°Girdle: THK-VTKPavilion 37.13°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $657 USD|Low: $456 USD|High: $709 USD|Avg: $584 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 8$456 USD
Retailer 7$483 USD
Retailer 6$508 USD
Retailer 5$537 USD
Retailer 2$556 USD
Retailer 4$594 USD
Retailer 3$639 USD
Retailer 1$657 USD
Wholesale Diamonds Direct$681 USD

37 data points across 9 retailers

10 retailers$456 USD to $681 USD

B+
Cheapest Retailer
-
$456 USD
SGD 616 SGD
B+
Retailer 2
-
$483 USD
SGD 653 SGD
View
B+
Retailer 3
-
$508 USD
View
B
Retailer 4
-
$537 USD
£423 GBP
View
B+
Retailer 5
-
$556 USD
£438 GBP
View
B
Retailer 6
-
$594 USD
View
B
Retailer 7
-
$638 USD
View
B
Retailer 8
-
$639 USD
View
B
Retailer 9
-
$657 USD
€626 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
574772557 · Oct 27
$681 USD
View
9 more retailers have this diamond
Prices start from $456 USDSave up to $225 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+
0.42ct Marquise
$456 USD