Round|Natural|GIA

1.16ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2506417383

Certificate GIA 2506417383

Diamond specifications and retailer prices

From $6,838 USD
SGD 9,240 SGD
As of October 29, 2026
Save $2,292 USD (25%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $9,130 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 2506417383. Listed at 2 retailers as of October 29, 2026, with prices from $6,838 to $9,130, a $2,292 spread on the same certified stone. Diamond Quarter lists it at $9,130. 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
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2506417383
Dimensions6.78 × 6.73 × 4.11 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.78 mm6.73 mm1.16 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506417383
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $6,838 USD|Low: $2,999 USD|High: $6,881 USD|Avg: $4,818 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 13, 2026
Retailer 2$2,999 USD
Retailer 7$4,117 USD
Retailer 10$4,172 USD
Retailer 4$4,441 USD
Retailer 3$4,544 USD
Retailer 5$4,820 USD
Retailer 9$4,820 USD
Retailer 6$5,380 USD
Retailer 8$6,020 USD
Retailer 1$6,838 USD

4 data points across 10 retailers

2 retailers$6,838 USD to $9,130 USD

B
Cheapest Retailer
-
$6,838 USD
SGD 9,240 SGD
Most Expensive
B
Diamond Quarter
1.16SI1D25836126KG · Oct 29
$9,130 USD
£7,189 GBP
View
1 more retailer has this diamond
Prices start from $6,838 USDSave up to $2,292 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.

B
1.16ct Round
$6,838 USD