CaratHunter
Plans
Oval|Lab Grown|IGI

1.13ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG499125075

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499125075

Diamond specifications and retailer prices

From £205 GBP
As of November 4, 2026
Save £991 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,195 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.13ct lab-grown oval diamond

This 1.13ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499125075 or 499125075. Listed at 10 retailers as of November 4, 2026, with prices from £205 to £1,195, a £991 spread on the same certified stone. Do Amore Diamonds lists it at £1,195. 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

1.13
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125075
Dimensions8.22 × 5.88 × 3.74 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.22 mm5.88 mm1.13 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125075
Side View
Table 58.5%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.6%

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: Nov 4
Current: £1,195 GBP|Low: £156 GBP|High: £1,195 GBP|Avg: £492 GBP|+4.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£156 GBP
Retailer 5£205 GBP
Retailer 4£275 GBP
Retailer 2£306 GBP
Retailer 6£394 GBP
Retailer 7£678 GBP
Retailer 3£796 GBP
Do Amore Diamonds£1,195 GBP

44 data points across 8 retailers

10 retailers£205 GBP to £1,195 GBP

Retailer 1
-
£146 GBP
Price last confirmed 48 days ago
Retailer 2
-
£152 GBP
View
Price last confirmed 21 days ago
B+
Retailer 3
-
£205 GBP
View
A
Retailer 4
-
£275 GBP
View
A
Retailer 5
-
£306 GBP
View
B+
Retailer 6
-
£394 GBP
View
Retailer 7
-
£523 GBP
View
Price last confirmed 46 days ago
B
Retailer 8
-
£678 GBP
View
B
Retailer 9
-
£796 GBP
View
Most Expensive
B
Do Amore Diamonds
27-98D11CBD4 · Nov 6
£1,195 GBP
$1,600 USD
View
9 more retailers have this diamond
Prices start from £205 GBPSave up to £991 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
1.13ct Oval
£205 GBP