CaratHunter
Plans
Oval|Lab Grown|IGI

5.50ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG546231937

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG546231937

Diamond specifications and retailer prices

From £616 GBP
$825 USD
As of October 28, 2026
Save £6,654 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £7,269 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.5ct lab-grown oval diamond

This 5.5ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG546231937 or 546231937. Listed at 16 retailers as of October 28, 2026, with prices from £616 to £7,269, a £6,654 spread on the same certified stone. Do Amore Diamonds lists it at £7,269. 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

5.50
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546231937
Dimensions14.43 × 9.93 × 6.27 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.43 mm9.93 mm5.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546231937
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.1%

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 28
Current: £7,269 GBP|Low: £566 GBP|High: £7,269 GBP|Avg: £2,572 GBP|+44.5%
Do Amore Diamonds
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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 4£616 GBP
Retailer 8£657 GBP
Retailer 23£819 GBP
Retailer 11£917 GBP
Retailer 3£1,034 GBP
Retailer 2£1,064 GBP
Retailer 21£1,195 GBP
Retailer 9£1,209 GBP
Retailer 19£1,271 GBP
Retailer 13£1,298 GBP
Retailer 6£1,907 GBP
Retailer 18£1,926 GBP
Retailer 7£2,038 GBP
Retailer 10£2,573 GBP
Retailer 20£2,597 GBP
Retailer 17£2,675 GBP
Retailer 24£2,721 GBP
Retailer 5£3,415 GBP
Retailer 22£3,722 GBP
Retailer 15£4,370 GBP
Retailer 14£4,993 GBP
Retailer 16£4,993 GBP
Retailer 12£6,553 GBP
Do Amore Diamonds£7,269 GBP

10 data points across 24 retailers

16 retailers£616 GBP to £7,269 GBP

A
Cheapest Retailer
-
£616 GBP
$825 USD
A
Retailer 2
-
£657 GBP
$880 USD
View
A
Retailer 3
-
£819 GBP
$1,097 USD
View
B+
Retailer 4
-
£1,034 GBP
$1,385 USD
View
B+
Retailer 5
-
£1,064 GBP
$1,425 USD
View
B+
Retailer 6
-
£1,195 GBP
View
B+
Retailer 7
-
£1,271 GBP
$1,703 USD
View
B+
Retailer 8
-
£1,298 GBP
$1,739 USD
View
B+
Retailer 9
-
£1,907 GBP
$2,556 USD
View
B+
Retailer 10
-
£1,926 GBP
$2,581 USD
View
B+
Retailer 11
-
£2,038 GBP
$2,731 USD
View
B+
Retailer 12
-
£2,597 GBP
$3,480 USD
View
B
Retailer 13
-
£2,721 GBP
View
B
Retailer 14
-
£3,415 GBP
$4,576 USD
View
B
Retailer 15
-
£3,722 GBP
$4,987 USD
View
Most Expensive
C
Do Amore Diamonds
27-DEE81657F · Oct 31
£7,269 GBP
$9,740 USD
View
15 more retailers have this diamond
Prices start from £616 GBPSave up to £6,654 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
5.50ct Oval
£616 GBP