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Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2534677624

Certificate GIA 2534677624

Diamond specifications and retailer prices

From $6,940 SGD
HK$42,300 HKD
As of October 29, 2026
Save $8,718 SGD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $15,657 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2534677624. Listed at 24 retailers as of October 29, 2026, with prices from $6,940 to $15,657, a $8,718 spread on the same certified stone. NZ Jewellers lists it at $15,657. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2534677624
Dimensions7.15 × 7.08 × 4.59 mm
L/W Ratio1.01
Top View
7.15 mm7.08 mm1.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534677624
Side View
Table 55.0%Crown 38.5°Girdle: ThickPavilion 39.8°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $9,658 SGD|Low: $6,712 SGD|High: $13,292 SGD|Avg: $9,044 SGD|-1.6%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 11$6,712 SGD
Retailer 7$6,940 SGD
Retailer 14$7,044 SGD
Retailer 6$7,101 SGD
Retailer 16$7,397 SGD
Retailer 5$7,410 SGD
Retailer 10$7,829 SGD
Retailer 9$7,870 SGD
Retailer 12$8,767 SGD
Retailer 2$8,959 SGD
Retailer 18$8,959 SGD
Retailer 4$9,086 SGD
Retailer 17$9,254 SGD
Retailer 1$9,658 SGD
Retailer 15$9,660 SGD
Retailer 3$10,318 SGD
Retailer 8$10,723 SGD
Retailer 19$11,400 SGD
Retailer 13$13,116 SGD

28 data points across 19 retailers

24 retailers$6,940 SGD to $15,657 SGD

Retailer 1
-
$6,712 SGD
$5,237 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$6,940 SGD
HK$42,300 HKD
View
A
Retailer 3
-
$7,044 SGD
$5,496 USD
View
A
Retailer 4
-
$7,101 SGD
$5,540 USD
View
A
Retailer 5
-
$7,397 SGD
$5,771 USD
View
A
Retailer 6
-
$7,410 SGD
$5,781 USD
View
A
Retailer 7
-
$7,829 SGD
$6,108 USD
View
A
Retailer 8
-
$7,829 SGD
$6,108 USD
View
Final sale: no returns
A
Retailer 9
-
$7,870 SGD
$6,140 USD
View
A
Retailer 10
-
$8,481 SGD
$6,617 USD
View
A
Retailer 11
-
$8,612 SGD
$6,719 USD
View
A
Retailer 12
-
$8,767 SGD
£5,386 GBP
View
A
Retailer 13
-
$8,959 SGD
$6,990 USD
View
A
Retailer 14
-
$8,959 SGD
$6,990 USD
View
Retailer 15
-
$9,086 SGD
A$10,907 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$9,254 SGD
$7,220 USD
View
A
Retailer 17
-
$9,658 SGD
£5,933 GBP
View
A
Retailer 18
-
$9,660 SGD
€7,178 EUR
View
B+
Retailer 19
-
$9,786 SGD
$7,635 USD
View
Retailer 20
-
$10,318 SGD
$8,050 USD
View
Price last confirmed 7 days ago
B+
Retailer 21
-
$10,723 SGD
$8,366 USD
View
B+
Retailer 22
-
$11,400 SGD
ZAR 143,691 ZAR
View
B
Retailer 23
-
$13,116 SGD
£8,058 GBP
View
Most Expensive
B
NZ Jewellers
e4c4a878-f917-4282-bf4c-f5daaf29ee42 · Oct 30
$15,657 SGD
$12,216 USD
View
23 more retailers have this diamond
Prices start from $6,940 SGDSave up to $8,718 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.

A
1.51ct Round
$6,940 SGD