CaratHunter
Plans
Heart|Natural|GIA

0.90ct D SI2 Heart Natural Diamond

ID • D/SI2 • GIA 5546738774

Certificate GIA 5546738774

Diamond specifications and retailer prices

From £831 GBP
$1,113 USD
As of October 30, 2026
Save £1,800 GBP (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,630 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546738774. Listed at 16 retailers as of October 30, 2026, with prices from £831 to £2,630, a £1,800 spread on the same certified stone. Moon Ocean lists it at £2,630. 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

0.90
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546738774
Dimensions5.85 × 6.45 × 3.98 mm
L/W Ratio1.10
Top View
5.85 mm6.45 mm0.90 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5546738774
Side View
Table 55.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 61.7%

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: £2,630 GBP|Low: £699 GBP|High: £2,638 GBP|Avg: £1,264 GBP|+1.5%
Moon Ocean
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
October 31, 2026
Retailer 4£831 GBP
Retailer 5£836 GBP
Retailer 17£840 GBP
Retailer 6£858 GBP
Retailer 11£918 GBP
Retailer 13£918 GBP
Retailer 12£953 GBP
Retailer 18£1,031 GBP
Retailer 16£1,059 GBP
Retailer 8£1,097 GBP
Retailer 9£1,097 GBP
Retailer 7£1,134 GBP
Retailer 3£1,210 GBP
Retailer 2£1,414 GBP
Retailer 10£1,562 GBP
Retailer 14£1,866 GBP
Retailer 15£2,472 GBP
Moon Ocean£2,630 GBP

33 data points across 18 retailers

16 retailers£831 GBP to £2,630 GBP

A
Cheapest Retailer
-
£831 GBP
$1,113 USD
A
Retailer 2
-
£836 GBP
$1,120 USD
View
A
Retailer 3
-
£840 GBP
$1,125 USD
View
Final sale: no returns
A
Retailer 4
-
£858 GBP
$1,150 USD
View
A
Retailer 5
-
£918 GBP
$1,230 USD
View
A
Retailer 6
-
£953 GBP
$1,277 USD
View
A
Retailer 7
-
£1,031 GBP
$1,381 USD
View
A
Retailer 8
-
£1,059 GBP
$1,419 USD
View
B+
Retailer 9
-
£1,097 GBP
$1,470 USD
View
B+
Retailer 10
-
£1,097 GBP
$1,470 USD
View
B+
Retailer 11
-
£1,134 GBP
$1,520 USD
View
Retailer 12
-
£1,210 GBP
View
Price last confirmed 35 days ago
B+
Retailer 13
-
£1,414 GBP
€1,804 EUR
View
B
Retailer 14
-
£1,866 GBP
View
B
Retailer 15
-
£2,472 GBP
$3,312 USD
View
Most Expensive
B
Moon Ocean
NVN-41297A449-774 · Oct 30
£2,630 GBP
View
15 more retailers have this diamond
Prices start from £831 GBPSave up to £1,800 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
0.90ct Heart
£831 GBP