Marquise|Natural|GIA

1.21ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 7546578209

Certificate GIA 7546578209

Diamond specifications and retailer prices

From $6,684 SGD
As of November 6, 2026
Save $2,634 SGD (28%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,317 SGD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded H 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 7546578209. Listed at 9 retailers as of November 6, 2026, with prices from $6,684 to $9,317, a $2,634 spread on the same certified stone. Jared lists it at $9,317. 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

1.21
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.08°
Pavilion angle40.63°
OriginNatural
Grading LabGIA
CertificateGIA 7546578209
Dimensions10.62 × 5.60 × 3.48 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.62 mm5.60 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7546578209
Side View
Table 60.0%Crown 36.08°Girdle: MED-THKPavilion 40.63°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: Nov 6
Current: $9,317 SGD|Low: $6,482 SGD|High: $9,379 SGD|Avg: $8,240 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$6,684 SGD
Retailer 3$7,131 SGD
Retailer 8$7,159 SGD
Retailer 5$8,428 SGD
Retailer 6$9,010 SGD
Retailer 7$9,010 SGD
Retailer 2$9,228 SGD
Jared$9,317 SGD

36 data points across 8 retailers

9 retailers$6,684 SGD to $9,317 SGD

B
Cheapest Retailer
-
$6,684 SGD
B
Retailer 2
-
$7,131 SGD
View
Final sale: no returns
B
Retailer 3
-
$7,159 SGD
View
B
Retailer 4
-
$7,341 SGD
View
B
Retailer 5
-
$8,428 SGD
View
B
Retailer 6
-
$9,010 SGD
View
B
Retailer 7
-
$9,010 SGD
View
B
Retailer 8
-
$9,228 SGD
View
Most Expensive
B
Jared
158334697 · Nov 6
$9,317 SGD
$7,270 USD
View
8 more retailers have this diamond
Prices start from $6,684 SGDSave up to $2,634 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
1.21ct Marquise
$6,684 SGD