CaratHunter
Plans
Oval|Lab Grown|IGI

1.65ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445036167

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036167

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)
10 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 LG445036167 or 445036167. Listed at 10 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
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036167
Dimensions9.05 × 6.57 × 4.16 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.05 mm6.57 mm1.65 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445036167
Side View
Table 55.5%Crown 37.3°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 63.3%

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: £1,603 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
October 30, 2026
Retailer 6£657 GBP
Retailer 5£913 GBP
Retailer 10£993 GBP
Retailer 7£1,059 GBP
Retailer 11£1,059 GBP
Retailer 3£1,499 GBP
Retailer 2£1,580 GBP
Retailer 8£1,680 GBP
Retailer 9£1,985 GBP
Retailer 12£2,029 GBP
Retailer 4£2,370 GBP
MOH London£3,421 GBP

20 data points across 12 retailers

10 retailers£657 GBP to £3,421 GBP

A
Cheapest Retailer
-
£657 GBP
$880 USD
B+
Retailer 2
-
£913 GBP
$1,223 USD
View
B+
Retailer 3
-
£993 GBP
$1,331 USD
View
B+
Retailer 4
-
£1,059 GBP
$1,419 USD
View
Retailer 5
-
£1,059 GBP
$1,419 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£1,580 GBP
View
B
Retailer 7
-
£1,680 GBP
$2,251 USD
View
B
Retailer 8
-
£1,985 GBP
$2,660 USD
View
B
Retailer 9
-
£2,029 GBP
$2,719 USD
View
Most Expensive
B
MOH London
LG445036167 · Oct 29
£3,421 GBP
View
9 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