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Round|Natural|GIA

2.18ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5241009446

Certificate GIA 5241009446

Diamond specifications and retailer prices

From $16,436 USD
CA$22,828 CAD
As of October 30, 2026
Save $10,800 USD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $27,236 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.18ct natural round diamond

This 2.18ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241009446. Listed at 10 retailers as of October 29, 2026, with prices from $16,436 to $27,236, a $10,800 spread on the same certified stone. MOH London lists it at $27,236. 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

2.18
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5241009446
Dimensions8.36 × 8.39 × 5.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
8.36 mm8.39 mm2.18 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241009446
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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 30
Current: $27,236 USD|Low: $16,436 USD|High: $32,874 USD|Avg: $20,477 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$16,436 USD
Retailer 10$16,539 USD
Retailer 2$17,942 USD
Retailer 6$18,274 USD
Retailer 8$18,274 USD
Retailer 7$20,382 USD
Retailer 5$20,520 USD
Retailer 9$21,029 USD
Retailer 3$24,574 USD
MOH London$27,236 USD

10 data points across 10 retailers

10 retailers$16,436 USD to $27,236 USD

B+
Cheapest Retailer
-
$16,436 USD
CA$22,828 CAD
B+
Retailer 2
-
$16,539 USD
View
B+
Retailer 3
-
$17,942 USD
£14,128 GBP
View
B+
Retailer 4
-
$18,274 USD
View
B+
Retailer 5
-
$18,274 USD
View
B
Retailer 6
-
$20,382 USD
View
B
Retailer 7
-
$20,520 USD
€19,543 EUR
View
Retailer 8
-
$21,029 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
$24,574 USD
View
Most Expensive
B
MOH London
EAEDAFB53 · Oct 29
$27,236 USD
£21,446 GBP
View
9 more retailers have this diamond
Prices start from $16,436 USDSave up to $10,800 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+
2.18ct Round
$16,436 USD