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Oval|Lab Grown|IGI

1.60ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451056276

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056276

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 29, 2026
Save £2,685 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,319 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown oval diamond

This 1.6ct 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 LG451056276 or 451056276. Listed at 10 retailers as of October 29, 2026, with prices from £634 to £3,319, a £2,685 spread on the same certified stone. MOH London lists it at £3,319. 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

1.60
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056276
Dimensions9.05 × 6.68 × 4.20 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.05 mm6.68 mm1.60 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056276
Side View
Table 57.5%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,319 GBP|Low: £634 GBP|High: £3,346 GBP|Avg: £1,708 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£634 GBP
Retailer 2£886 GBP
Retailer 4£1,028 GBP
Retailer 8£1,175 GBP
Retailer 5£1,631 GBP
Retailer 6£1,969 GBP
Retailer 7£2,300 GBP
MOH London£3,319 GBP

12 data points across 8 retailers

10 retailers£634 GBP to £3,319 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
B+
Retailer 2
-
£886 GBP
$1,187 USD
View
B+
Retailer 3
-
£964 GBP
$1,292 USD
View
Retailer 4
-
£1,028 GBP
$1,377 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
£1,028 GBP
$1,377 USD
View
Retailer 6
-
£1,175 GBP
$1,575 USD
View
B
Retailer 7
-
£1,631 GBP
$2,186 USD
View
B
Retailer 8
-
£1,926 GBP
$2,581 USD
View
B
Retailer 9
-
£1,969 GBP
$2,638 USD
View
Most Expensive
B
MOH London
LG451056276 · Oct 29
£3,319 GBP
View
9 more retailers have this diamond
Prices start from £634 GBPSave up to £2,685 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
1.60ct Oval
£634 GBP