Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743593466

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743593466

Diamond specifications and retailer prices

From £258 GBP
$346 USD
As of October 29, 2026
Save £2,033 GBP (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,291 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743593466 or 743593466. Listed at 27 retailers as of October 29, 2026, with prices from £258 to £2,291, a £2,033 spread on the same certified stone. Do Amore Diamonds lists it at £2,291. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593466
Dimensions7.36 × 7.39 × 4.59 mm
L/W Ratio1.00
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
7.36 mm7.39 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593466
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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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: £258 GBP|High: £2,694 GBP|Avg: £924 GBP
Do Amore Diamonds
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October 30, 2026
Retailer 27£258 GBP
Retailer 26£300 GBP
Retailer 15£315 GBP
Retailer 6£320 GBP
Retailer 5£455 GBP
Retailer 25£459 GBP
Retailer 8£481 GBP
Retailer 12£500 GBP
Retailer 16£512 GBP
Retailer 23£571 GBP
Retailer 14£590 GBP
Retailer 24£608 GBP
Retailer 13£638 GBP
Retailer 17£649 GBP
Retailer 18£814 GBP
Retailer 21£821 GBP
Retailer 7£940 GBP
Retailer 4£1,137 GBP
Retailer 9£1,211 GBP
Retailer 10£1,234 GBP
Retailer 19£1,252 GBP
Retailer 20£1,337 GBP
Retailer 11£1,345 GBP
Retailer 22£1,390 GBP
Retailer 3£1,683 GBP
Retailer 2£1,739 GBP
Do Amore Diamonds£2,291 GBP

34 data points across 27 retailers

27 retailers£258 GBP to £2,291 GBP

A
Cheapest Retailer
-
£258 GBP
$346 USD
A
Retailer 2
-
£300 GBP
$402 USD
View
A
Retailer 3
-
£315 GBP
$422 USD
View
Final sale: no returns
A
Retailer 4
-
£320 GBP
$429 USD
View
Retailer 5
-
£455 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£459 GBP
HK$4,800 HKD
View
A
Retailer 7
-
£481 GBP
$645 USD
View
A
Retailer 8
-
£500 GBP
$670 USD
View
A
Retailer 9
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£512 GBP
$686 USD
View
A
Retailer 10
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£571 GBP
€729 EUR
View
A
Retailer 11
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£590 GBP
$791 USD
View
A
Retailer 12
-
£608 GBP
ZAR 13,155 ZAR
View
A
Retailer 13
-
£638 GBP
View
A
Retailer 14
-
£649 GBP
A$1,338 AUD
View
B+
Retailer 15
-
£814 GBP
$1,091 USD
View
B+
Retailer 16
-
£821 GBP
A$1,692 AUD
View
B+
Retailer 17
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£940 GBP
$1,259 USD
View
B+
Retailer 18
-
£1,137 GBP
$1,523 USD
View
B+
Retailer 19
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£1,211 GBP
$1,622 USD
View
B+
Retailer 20
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£1,234 GBP
$1,654 USD
View
B+
Retailer 21
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£1,252 GBP
$1,678 USD
View
B
Retailer 22
-
£1,337 GBP
SGD 2,420 SGD
View
Retailer 23
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£1,345 GBP
A$2,772 AUD
View
Price last confirmed 22 days ago
B+
Retailer 24
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£1,390 GBP
View
B+
Retailer 25
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£1,683 GBP
$2,255 USD
View
B
Retailer 26
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£1,739 GBP
$2,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-B5344F3BB · Oct 29
£2,291 GBP
$3,070 USD
View
26 more retailers have this diamond
Prices start from £258 GBPSave up to £2,033 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
1.55ct Round
£258 GBP