CaratHunter
Plans
Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2528386444

Certificate GIA 2528386444

Diamond specifications and retailer prices

From $4,084 SGD
As of November 6, 2026
Save $2,375 SGD (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,460 SGD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2528386444. Listed at 10 retailers as of November 5, 2026, with prices from $4,084 to $6,460, a $2,375 spread on the same certified stone. Cape Diamonds lists it at $6,460. 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

1.70
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2528386444
Dimensions7.57 × 7.62 × 4.78 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.57 mm7.62 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2528386444
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: Nov 6
Current: $6,460 SGD|Low: $4,051 SGD|High: $6,505 SGD|Avg: $5,131 SGD|+1.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$4,084 SGD
Retailer 2$4,264 SGD
Retailer 5$4,759 SGD
Retailer 7$4,964 SGD
Retailer 6$5,306 SGD
Retailer 3$5,950 SGD
Cape Diamonds$6,460 SGD

44 data points across 7 retailers

10 retailers$4,084 SGD to $6,460 SGD

B+
Cheapest Retailer
-
$4,084 SGD
B+
Retailer 2
-
$4,264 SGD
View
B+
Retailer 3
-
$4,759 SGD
View
B+
Retailer 4
-
$4,964 SGD
View
B
Retailer 5
-
$5,037 SGD
View
Retailer 6
-
$5,292 SGD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$5,306 SGD
View
B
Retailer 8
-
$5,481 SGD
View
B
Retailer 9
-
$5,950 SGD
View
Most Expensive
B
Cape Diamonds
cert_2528386444 · Nov 5
$6,460 SGD
ZAR 81,429 ZAR
View
9 more retailers have this diamond
Prices start from $4,084 SGDSave up to $2,375 SGD

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+
1.70ct Round
$4,084 SGD