CaratHunter
Plans
Round|Natural|GIA

2.18ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6237579848

Certificate GIA 6237579848

Diamond specifications and retailer prices

From $27,273 AUD
$19,158 USD
As of October 30, 2026
Save $1,681 AUD (6%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $28,954 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 6237579848. Listed at 4 retailers as of October 30, 2026, with a relatively tight 6% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6237579848
Dimensions8.28 × 8.30 × 5.13 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
8.28 mm8.30 mm2.18 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237579848
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $28,954 AUD|Low: $27,273 AUD|High: $29,387 AUD|Avg: $28,204 AUD|+1.0%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$27,273 AUD
77 Diamonds$28,954 AUD

32 data points across 2 retailers

4 retailers$27,273 AUD to $28,954 AUD

B
Cheapest Retailer
-
$27,273 AUD
$19,158 USD
Retailer 2
-
$27,273 AUD
$19,158 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$27,273 AUD
$19,158 USD
View
Price last confirmed 13 days ago
Most Expensive
B
77 Diamonds
RBMBSGUR7UWB · Nov 2
$28,954 AUD
£16,015 GBP
View
3 more retailers have this diamond
Prices start from $27,273 AUDSave up to $1,681 AUD

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
$27,273 AUD