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Round|Natural|GIA

1.59ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 1236966257

Certificate GIA 1236966257

Diamond specifications and retailer prices

From $15,849 CAD
£8,934 GBP
As of October 30, 2026
Save $6,997 CAD (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $22,846 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct natural round diamond

This 1.59ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1236966257. Listed at 4 retailers as of October 29, 2026, with prices from $15,849 to $22,846, a $6,997 spread on the same certified stone. MOH London lists it at $22,846. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.59
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1236966257
Dimensions7.55 × 7.67 × 4.49 mm
L/W Ratio1.02
Top View
7.55 mm7.67 mm1.59 ctI / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1236966257
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 59.0%

Caratlytics Score

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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: $22,846 CAD|Low: $14,975 CAD|High: $22,999 CAD|Avg: $17,496 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$14,975 CAD
Retailer 3$15,849 CAD
Retailer 4$16,050 CAD
Retailer 2$17,797 CAD
MOH London$22,846 CAD

42 data points across 5 retailers

4 retailers$15,849 CAD to $22,846 CAD

B
Cheapest Retailer
-
$15,849 CAD
£8,934 GBP
Retailer 2
-
$16,050 CAD
A$17,676 AUD
View
Price last confirmed 7 days ago
C
Retailer 3
-
$17,797 CAD
€12,134 EUR
View
Most Expensive
C
MOH London
E646EA968 · Oct 29
$22,846 CAD
£12,878 GBP
View
3 more retailers have this diamond
Prices start from $15,849 CADSave up to $6,997 CAD

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
1.59ct Round
$15,849 CAD