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Round|Natural|GIA

0.43ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1397772721

Certificate GIA 1397772721

Diamond specifications and retailer prices

From £146 GBP
₹18,682 INR
As of October 30, 2026
Save £798 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £944 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.43ct natural round diamond

This 0.43ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1397772721. Listed at 14 retailers as of October 30, 2026, with prices from £146 to £944, a £798 spread on the same certified stone. NZ Jewellers lists it at £944. 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

0.43
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1397772721
Dimensions4.88 × 4.86 × 3.00 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.88 mm4.86 mm0.43 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1397772721
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 30
Current: £944 GBP|Low: £146 GBP|High: £944 GBP|Avg: £358 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£146 GBP
Retailer 3£208 GBP
Retailer 6£216 GBP
Retailer 10£220 GBP
Retailer 9£240 GBP
Retailer 2£264 GBP
Retailer 11£326 GBP
Retailer 7£350 GBP
Retailer 8£434 GBP
Retailer 5£482 GBP
NZ Jewellers£944 GBP

43 data points across 11 retailers

14 retailers£146 GBP to £944 GBP

A
Cheapest Retailer
-
£146 GBP
₹18,682 INR
A
Retailer 2
-
£182 GBP
HK$1,900 HKD
View
A
Retailer 3
-
£208 GBP
$279 USD
View
A
Retailer 4
-
£216 GBP
$290 USD
View
A
Retailer 5
-
£221 GBP
SGD 400 SGD
View
A
Retailer 6
-
£225 GBP
$301 USD
View
A
Retailer 7
-
£233 GBP
$312 USD
View
A
Retailer 8
-
£240 GBP
$322 USD
View
A
Retailer 9
-
£264 GBP
View
B+
Retailer 10
-
£281 GBP
$376 USD
View
B+
Retailer 11
-
£326 GBP
$437 USD
View
Retailer 12
-
£434 GBP
View
Price last confirmed 32 days ago
B+
Retailer 13
-
£482 GBP
View
Most Expensive
C
NZ Jewellers
a11500db-f4fd-4efc-85ae-7269a5034b4d · Oct 30
£944 GBP
$1,265 USD
View
13 more retailers have this diamond
Prices start from £146 GBPSave up to £798 GBP

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
0.43ct Round
£146 GBP