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Pear|Lab Grown|IGI

1.78ct D FL Pear Lab Grown Diamond

EX • D/FL • IGI LG845672255

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG845672255

Diamond specifications and retailer prices

From £620 GBP
$831 USD
As of October 27, 2026
Save £3,664 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,284 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown pear diamond

This 1.78ct lab-grown pear sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG845672255 or 845672255. Listed at 22 retailers as of October 27, 2026, with prices from £620 to £4,284, a £3,664 spread on the same certified stone. Brilliant Earth lists it at £4,284. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845672255
Dimensions10.78 × 6.83 × 4.14 mm
L/W Ratio1.58
Girdle conditionFaceted
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
10.78 mm6.83 mm1.78 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845672255
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

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 27
Current: £816 GBP|Low: £620 GBP|High: £3,667 GBP|Avg: £1,579 GBP|+0.3%
Retailer 1
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Retailer 22
October 27, 2026
Retailer 22£620 GBP
Retailer 17£675 GBP
Retailer 13£719 GBP
Retailer 8£811 GBP
Retailer 1£816 GBP
Retailer 4£851 GBP
Retailer 20£928 GBP
Retailer 21£1,089 GBP
Retailer 15£1,096 GBP
Retailer 12£1,099 GBP
Retailer 6£1,147 GBP
Retailer 2£1,230 GBP
Retailer 18£1,311 GBP
Retailer 14£1,748 GBP
Retailer 11£2,024 GBP
Retailer 10£2,093 GBP
Retailer 5£2,164 GBP
Retailer 3£2,395 GBP
Retailer 7£2,494 GBP
Retailer 16£2,702 GBP
Retailer 19£3,441 GBP
Retailer 9£3,667 GBP

6 data points across 22 retailers

22 retailers£620 GBP to £4,284 GBP

A
Cheapest Retailer
-
£620 GBP
$831 USD
A
Retailer 2
-
£675 GBP
$905 USD
View
A
Retailer 3
-
£719 GBP
$964 USD
View
A
Retailer 4
-
£816 GBP
View
A
Retailer 5
-
£851 GBP
$1,140 USD
View
B+
Retailer 6
-
£928 GBP
$1,244 USD
View
Retailer 7
-
£1,089 GBP
€1,390 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£1,096 GBP
$1,468 USD
View
B+
Retailer 9
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£1,099 GBP
View
B+
Retailer 10
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£1,147 GBP
$1,537 USD
View
B+
Retailer 11
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£1,230 GBP
$1,648 USD
View
B+
Retailer 12
-
£1,311 GBP
ZAR 28,375 ZAR
View
B+
Retailer 13
-
£1,748 GBP
$2,342 USD
View
B
Retailer 14
-
£2,024 GBP
$2,712 USD
View
B
Retailer 15
-
£2,093 GBP
$2,804 USD
View
B
Retailer 16
-
£2,164 GBP
CA$4,026 CAD
View
B
Retailer 17
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£2,395 GBP
$3,209 USD
View
B
Retailer 18
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£2,494 GBP
$3,341 USD
View
B
Retailer 19
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£2,702 GBP
View
B
Retailer 20
-
£3,441 GBP
$4,611 USD
View
B
Retailer 21
-
£3,667 GBP
$4,914 USD
View
Most Expensive
B
Brilliant Earth
22269272A · Oct 28
£4,284 GBP
$5,740 USD
View
21 more retailers have this diamond
Prices start from £620 GBPSave up to £3,664 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
1.78ct Pear
£620 GBP