Princess|Natural|GIA

2.66ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 6555085100

Certificate GIA 6555085100

Diamond specifications and retailer prices

From $15,274 USD
SGD 20,641 SGD
As of November 2, 2026
Save $4,906 USD (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,180 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.66ct natural princess diamond

This 2.66ct natural princess sits in the two to three carat band, graded I 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 6555085100. Listed at 10 retailers as of November 1, 2026, with prices from $15,274 to $20,180, a $4,906 spread on the same certified stone. Do Amore Diamonds lists it at $20,180. 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

2.66
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555085100
Dimensions7.54 × 7.51 × 5.45 mm
L/W Ratio1.00
Top View
7.54 mm7.51 mm2.66 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555085100
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 72.6%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $20,180 USD|Low: $14,209 USD|High: $22,020 USD|Avg: $17,588 USD|-8.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$15,274 USD
Retailer 3$15,617 USD
Retailer 9$15,867 USD
Retailer 8$16,192 USD
Retailer 2$16,347 USD
Retailer 5$17,360 USD
Retailer 7$17,360 USD
Retailer 10$19,037 USD
Retailer 6$19,390 USD
Do Amore Diamonds$20,180 USD

38 data points across 10 retailers

10 retailers$15,274 USD to $20,180 USD

A
Cheapest Retailer
-
$15,274 USD
SGD 20,641 SGD
A
Retailer 2
-
$15,617 USD
£12,297 GBP
View
A
Retailer 3
-
$15,867 USD
MYR 64,631 MYR
View
B+
Retailer 4
-
$16,192 USD
View
B+
Retailer 5
-
$16,347 USD
View
B+
Retailer 6
-
$17,360 USD
View
B+
Retailer 7
-
$17,360 USD
View
B+
Retailer 8
-
$19,037 USD
A$29,288 AUD
View
B+
Retailer 9
-
$19,390 USD
View
Most Expensive
B
Do Amore Diamonds
12-100766864638 · Nov 1
$20,180 USD
View
9 more retailers have this diamond
Prices start from $15,274 USDSave up to $4,906 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
2.66ct Princess
$15,274 USD