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Heart|Natural|GIA

0.37ct D SI1 Heart Natural Diamond

GD • D/SI1 • GIA 5563253695

Certificate GIA 5563253695

Diamond specifications and retailer prices

From £306 GBP
$410 USD
As of November 1, 2026
Save £76 GBP (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £382 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.37ct natural heart diamond

This 0.37ct natural heart sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5563253695. Listed at 3 retailers as of November 1, 2026, with prices from £306 to £382, a £76 spread on the same certified stone. 77 Diamonds lists it at £382. 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

0.37
Carat
D
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563253695
Dimensions4.27 × 4.96 × 2.97 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
4.27 mm4.96 mm0.37 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 5563253695
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.9%

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: Nov 1
Current: £382 GBP|Low: £258 GBP|High: £382 GBP|Avg: £330 GBP|+5.8%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 2£306 GBP
Retailer 3£328 GBP
77 Diamonds£382 GBP

38 data points across 3 retailers

3 retailers£306 GBP to £382 GBP

A
Cheapest Retailer
-
£306 GBP
$410 USD
Final sale: no returns
B+
Retailer 2
-
£328 GBP
SGD 593 SGD
View
Most Expensive
B+
77 Diamonds
HSCPM7SCGPFQ · Nov 2
£382 GBP
View
2 more retailers have this diamond
Prices start from £306 GBPSave up to £76 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
0.37ct Heart
£306 GBP