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Oval|Lab Grown|IGI

1.12ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG687545452

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG687545452

Diamond specifications and retailer prices

From £151 GBP
As of November 5, 2026
Save £746 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £897 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.12ct lab-grown oval diamond

This 1.12ct 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 LG687545452 or 687545452. Listed at 21 retailers as of November 5, 2026, with prices from £151 to £897, a £746 spread on the same certified stone. Reve Diamonds lists it at £897. 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

1.12
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687545452
Dimensions8.33 × 5.95 × 3.62 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
8.33 mm5.95 mm1.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG687545452
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £354 GBP|Low: £150 GBP|High: £897 GBP|Avg: £407 GBP|+10.0%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 6£151 GBP
Retailer 13£168 GBP
Retailer 14£176 GBP
Retailer 3£188 GBP
Retailer 8£188 GBP
Retailer 16£298 GBP
Retailer 4£325 GBP
Retailer 9£339 GBP
Retailer 1£354 GBP
Retailer 2£367 GBP
Retailer 15£445 GBP
Retailer 10£493 GBP
Retailer 5£602 GBP
Retailer 12£604 GBP
Retailer 7£642 GBP
Retailer 11£873 GBP
Reve Diamonds£897 GBP

45 data points across 17 retailers

21 retailers£151 GBP to £897 GBP

Retailer 1
-
£150 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£151 GBP
View
A
Retailer 3
-
£168 GBP
View
Final sale: no returns
A
Retailer 4
-
£176 GBP
View
Retailer 5
-
£183 GBP
View
Price last confirmed 45 days ago
Retailer 6
-
£188 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£188 GBP
View
A
Retailer 8
-
£298 GBP
View
B+
Retailer 9
-
£325 GBP
View
B+
Retailer 10
-
£339 GBP
View
B+
Retailer 11
-
£354 GBP
View
B+
Retailer 12
-
£367 GBP
View
Retailer 13
-
£445 GBP
View
Price last confirmed 16 days ago
B
Retailer 14
-
£486 GBP
View
B+
Retailer 15
-
£493 GBP
View
B+
Retailer 16
-
£511 GBP
View
B
Retailer 17
-
£602 GBP
View
B
Retailer 18
-
£604 GBP
View
B
Retailer 19
-
£642 GBP
View
B
Retailer 20
-
£873 GBP
View
Most Expensive
B
Reve Diamonds
E8F16535B · Nov 6
£897 GBP
$1,201 USD
View
20 more retailers have this diamond
Prices start from £151 GBPSave up to £746 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
1.12ct Oval
£151 GBP