Marquise|Natural|IGI

0.30ct H SI1 Marquise Natural Diamond

EX • H/SI1 • IGI 839657993

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 839657993

Diamond specifications and retailer prices

From $294 USD
As of October 29, 2026
Save $302 USD (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $596 USD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.3ct natural marquise diamond

This 0.3ct 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 and certified by IGI 839657993. Listed at 7 retailers as of October 29, 2026, with prices from $294 to $596, a $302 spread on the same certified stone. Moon Ocean lists it at $596. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle41.9°
OriginNatural
Grading LabIGI
CertificateIGI 839657993
Dimensions7.13 × 3.50 × 2.23 mm
L/W Ratio2.04
Girdle conditionFaceted
Top View
7.13 mm3.50 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 839657993
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 63.7%

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: Oct 29
Current: $596 USD|Low: $294 USD|High: $1,330 USD|Avg: $560 USD|+0.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$294 USD
Retailer 7$327 USD
Retailer 4$411 USD
Retailer 6$445 USD
Retailer 2$507 USD
Moon Ocean$596 USD
Retailer 5$1,330 USD

12 data points across 7 retailers

7 retailers$294 USD to $596 USD

B+
Cheapest Retailer
-
$294 USD
B+
Retailer 2
-
$327 USD
View
B
Retailer 3
-
$411 USD
View
B
Retailer 4
-
$445 USD
View
B
Retailer 5
-
$507 USD
€483 EUR
View
Most Expensive
B
Moon Ocean
NVN-A9ECF6762-993 · Oct 30
$596 USD
£469 GBP
View
5 more retailers have this diamond
Prices start from $294 USDSave up to $302 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+
0.30ct Marquise
$294 USD