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Oval|Lab Grown|IGI

1.65ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG440012568

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012568

Diamond specifications and retailer prices

From £657 GBP
$880 USD
As of October 29, 2026
Save £2,764 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,421 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.65ct lab-grown oval diamond

This 1.65ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012568 or 440012568. Listed at 11 retailers as of October 29, 2026, with prices from £657 to £3,421, a £2,764 spread on the same certified stone. MOH London lists it at £3,421. 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

1.65
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012568
Dimensions9.17 × 6.83 × 4.20 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.17 mm6.83 mm1.65 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012568
Side View
Table 59.5%Crown 32.9°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.5%

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 29
Current: £3,421 GBP|Low: £657 GBP|High: £3,448 GBP|Avg: £1,549 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7£657 GBP
Retailer 6£913 GBP
Retailer 11£993 GBP
Retailer 12£1,022 GBP
Retailer 8£1,059 GBP
Retailer 13£1,059 GBP
Retailer 4£1,499 GBP
Retailer 2£1,580 GBP
Retailer 9£1,680 GBP
Retailer 10£1,985 GBP
Retailer 3£2,029 GBP
Retailer 5£2,370 GBP
MOH London£3,421 GBP

26 data points across 13 retailers

11 retailers£657 GBP to £3,421 GBP

A
Cheapest Retailer
-
£657 GBP
$880 USD
A
Retailer 2
-
£913 GBP
$1,223 USD
View
A
Retailer 3
-
£993 GBP
$1,331 USD
View
A
Retailer 4
-
£1,022 GBP
$1,369 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,059 GBP
$1,419 USD
View
Retailer 6
-
£1,059 GBP
$1,419 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
£1,580 GBP
View
B
Retailer 8
-
£1,680 GBP
$2,251 USD
View
B
Retailer 9
-
£1,985 GBP
$2,660 USD
View
B
Retailer 10
-
£2,029 GBP
$2,719 USD
View
Most Expensive
B
MOH London
LG440012568 · Oct 29
£3,421 GBP
View
10 more retailers have this diamond
Prices start from £657 GBPSave up to £2,764 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
1.65ct Oval
£657 GBP