Marquise|Natural|GIA

0.30ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 5566198069

Certificate GIA 5566198069

Diamond specifications and retailer prices

From $195 USD
₹18,613 INR
As of November 1, 2026
Save $424 USD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $620 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded G 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 5566198069. Listed at 17 retailers as of November 1, 2026, with prices from $195 to $620, a $424 spread on the same certified stone. MOH London lists it at $620. 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

0.30
Carat
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
Crown angle34.7°
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 5566198069
Dimensions6.87 × 3.53 × 2.09 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Top View
6.87 mm3.53 mm0.30 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 5566198069
Side View
Table 62.0%Crown 34.7°Girdle: STK-THKPavilion 39°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $620 USD|Low: $195 USD|High: $1,262 USD|Avg: $400 USD|-4.9%
MOH London
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
November 2, 2026
Retailer 9$195 USD
Retailer 7$248 USD
Retailer 16$269 USD
Retailer 6$271 USD
Retailer 8$280 USD
Retailer 15$289 USD
Retailer 5$293 USD
Retailer 4$300 USD
Retailer 2$340 USD
Retailer 14$362 USD
Retailer 12$368 USD
Retailer 3$400 USD
Retailer 10$430 USD
Retailer 11$468 USD
MOH London$620 USD
Retailer 13$1,217 USD

28 data points across 16 retailers

17 retailers$195 USD to $620 USD

A
Cheapest Retailer
-
$195 USD
₹18,613 INR
A
Retailer 2
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 3
-
$248 USD
View
Final sale: no returns
A
Retailer 4
-
$269 USD
View
A
Retailer 5
-
$271 USD
View
A
Retailer 6
-
$280 USD
View
A
Retailer 7
-
$289 USD
View
A
Retailer 8
-
$293 USD
SGD 396 SGD
View
A
Retailer 9
-
$300 USD
View
B+
Retailer 10
-
$340 USD
£268 GBP
View
B+
Retailer 11
-
$362 USD
View
B+
Retailer 12
-
$368 USD
£290 GBP
View
B
Retailer 13
-
$400 USD
View
B
Retailer 14
-
$430 USD
View
B
Retailer 15
-
$468 USD
€446 EUR
View
Most Expensive
B
MOH London
1E1209FEC · Nov 1
$620 USD
£488 GBP
View
15 more retailers have this diamond
Prices start from $195 USDSave up to $424 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
0.30ct Marquise
$195 USD