CaratHunter
Plans
Oval|Lab Grown|IGI

9.16ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG559278885

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG559278885

Diamond specifications and retailer prices

From £1,429 GBP
As of October 27, 2026
Save £5,004 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,433 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 9.16ct lab-grown oval diamond

This 9.16ct 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 LG559278885 or 559278885. Listed at 12 retailers as of October 27, 2026, with prices from £1,429 to £6,433, a £5,004 spread on the same certified stone. Do Amore Diamonds lists it at £6,433. 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

9.16
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559278885
Dimensions17.01 × 11.98 × 7.29 mm
L/W Ratio1.42
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
17.01 mm11.98 mm9.16 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559278885
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: Oct 27
Current: £6,433 GBP|Low: £1,429 GBP|High: £8,859 GBP|Avg: £4,933 GBP
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
October 31, 2026
Retailer 17£1,429 GBP
Retailer 2£1,561 GBP
Retailer 19£1,713 GBP
Retailer 7£1,872 GBP
Retailer 6£2,193 GBP
Retailer 13£2,370 GBP
Retailer 5£2,483 GBP
Retailer 20£3,040 GBP
Retailer 4£3,049 GBP
Retailer 18£3,424 GBP
Retailer 16£4,135 GBP
Retailer 15£4,165 GBP
Retailer 3£5,742 GBP
Retailer 14£6,033 GBP
Do Amore Diamonds£6,433 GBP
Retailer 12£6,700 GBP
Retailer 8£6,918 GBP
Retailer 10£8,189 GBP
Retailer 9£8,307 GBP
Retailer 11£8,307 GBP

10 data points across 20 retailers

12 retailers£1,429 GBP to £6,433 GBP

A
Cheapest Retailer
-
£1,429 GBP
A
Retailer 2
-
£1,561 GBP
$2,092 USD
View
B+
Retailer 3
-
£1,713 GBP
$2,295 USD
View
B+
Retailer 4
-
£2,370 GBP
$3,175 USD
View
B+
Retailer 5
-
£3,040 GBP
$4,073 USD
View
B+
Retailer 6
-
£3,049 GBP
$4,085 USD
View
B+
Retailer 7
-
£3,424 GBP
View
B
Retailer 8
-
£4,135 GBP
$5,540 USD
View
B+
Retailer 9
-
£4,165 GBP
$5,580 USD
View
B
Retailer 10
-
£5,742 GBP
$7,694 USD
View
B
Retailer 11
-
£6,033 GBP
$8,084 USD
View
Most Expensive
B
Do Amore Diamonds
27-3F24B2DF1 · Oct 29
£6,433 GBP
$8,620 USD
View
11 more retailers have this diamond
Prices start from £1,429 GBPSave up to £5,004 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
9.16ct Oval
£1,429 GBP