Oval|Natural|GIA

3.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1545457368

Certificate GIA 1545457368

Diamond specifications and retailer prices

From $55,195 SGD
$43,175 USD
As of October 31, 2026
Save $14,774 SGD (21%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $69,969 SGD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 3.51ct natural oval diamond

This 3.51ct natural oval sits in the three to five 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 1545457368. Listed at 4 retailers as of October 30, 2026, with prices from $55,195 to $69,969, a $14,774 spread on the same certified stone. 77 Diamonds lists it at $69,969. 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

3.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545457368
Dimensions12.09 × 8.41 × 5.37 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
12.09 mm8.41 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545457368
Side View
Table 63.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 63.8%

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: Oct 31
Current: $69,969 SGD|Low: $55,195 SGD|High: $73,883 SGD|Avg: $62,161 SGD|-5.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$55,195 SGD
Retailer 4$58,772 SGD
Retailer 2$62,712 SGD
77 Diamonds$69,969 SGD

30 data points across 4 retailers

4 retailers$55,195 SGD to $69,969 SGD

B+
Cheapest Retailer
-
$55,195 SGD
$43,175 USD
B+
Retailer 2
-
$58,772 SGD
$45,973 USD
View
B
Retailer 3
-
$62,712 SGD
$49,055 USD
View
Most Expensive
B
77 Diamonds
OVZZTAFXWCM · Oct 30
$69,969 SGD
£43,096 GBP
View
3 more retailers have this diamond
Prices start from $55,195 SGDSave up to $14,774 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+
3.51ct Oval
$55,195 SGD