Round|Natural|GIA

1.16ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1517578207

Certificate GIA 1517578207

Diamond specifications and retailer prices

From $3,178 USD
SGD 4,294 SGD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $3,178 USD at Fonder Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Fonder Diamond

About this 1.16ct natural round diamond

This 1.16ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1517578207. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.16
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1517578207
Dimensions6.70 × 6.66 × 4.18 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Girdle conditionFaceted
Top View
6.70 mm6.66 mm1.16 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1517578207
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: Oct 29
Current: $3,178 USD|Low: $2,058 USD|High: $5,452 USD|Avg: $3,392 USD|-0.4%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 13, 2026
Retailer 5$2,058 USD
Retailer 10$2,854 USD
Retailer 9$2,898 USD
Retailer 7$2,924 USD
Retailer 3$2,948 USD
Retailer 4$2,980 USD
Retailer 2$3,155 USD
Fonder Diamond$3,178 USD
Retailer 13$3,290 USD
Retailer 12$3,393 USD
Retailer 14$3,580 USD
Retailer 16$3,580 USD
Retailer 8$3,660 USD
Retailer 15$3,700 USD
Retailer 11$4,604 USD
Retailer 6$5,452 USD

4 data points across 16 retailers

1 retailer

A
Fonder Diamond
154388580 · Oct 29
$3,178 USD
SGD 4,294 SGD
View

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
1.16ct Round
$3,178 USD