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Round|Lab Grown|IGI

1.60ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG524213530

Shape and cutting style on the report: Round brilliant

Certificate IGI LG524213530

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of October 29, 2026
Save £2,034 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,291 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524213530 or 524213530. Listed at 19 retailers as of October 29, 2026, with prices from £257 to £2,291, a £2,034 spread on the same certified stone. Do Amore Diamonds lists it at £2,291. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524213530
Dimensions7.48 × 7.53 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm7.53 mm1.60 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524213530
Side View
Table 57.5%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: £2,291 GBP|Low: £257 GBP|High: £2,291 GBP|Avg: £762 GBP|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 19£257 GBP
Retailer 16£299 GBP
Retailer 13£315 GBP
Retailer 6£319 GBP
Retailer 15£319 GBP
Retailer 3£387 GBP
Retailer 7£433 GBP
Retailer 10£552 GBP
Retailer 8£552 GBP
Retailer 17£569 GBP
Retailer 12£571 GBP
Retailer 11£624 GBP
Retailer 2£649 GBP
Retailer 18£937 GBP
Retailer 9£965 GBP
Retailer 5£1,134 GBP
Retailer 4£1,249 GBP
Retailer 14£1,385 GBP
Do Amore Diamonds£2,291 GBP

14 data points across 19 retailers

19 retailers£257 GBP to £2,291 GBP

A
Cheapest Retailer
-
£257 GBP
$345 USD
A
Retailer 2
-
£299 GBP
$400 USD
View
B+
Retailer 3
-
£315 GBP
$422 USD
View
A
Retailer 4
-
£319 GBP
$428 USD
View
A
Retailer 5
-
£319 GBP
$428 USD
View
A
Retailer 6
-
£387 GBP
$518 USD
View
A
Retailer 7
-
£433 GBP
$580 USD
View
A
Retailer 8
-
£552 GBP
$739 USD
View
Retailer 9
-
£552 GBP
$740 USD
View
Price last confirmed 10 days ago
A
Retailer 10
-
£569 GBP
$762 USD
View
A
Retailer 11
-
£571 GBP
View
A
Retailer 12
-
£624 GBP
$836 USD
View
A
Retailer 13
-
£649 GBP
$870 USD
View
A
Retailer 14
-
£937 GBP
$1,255 USD
View
A
Retailer 15
-
£965 GBP
$1,293 USD
View
B+
Retailer 16
-
£1,134 GBP
$1,519 USD
View
B+
Retailer 17
-
£1,249 GBP
$1,674 USD
View
B+
Retailer 18
-
£1,385 GBP
View
Most Expensive
B
Do Amore Diamonds
27-832B8BA02 · Oct 31
£2,291 GBP
$3,070 USD
View
18 more retailers have this diamond
Prices start from £257 GBPSave up to £2,034 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 Round
£257 GBP