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Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG627469911

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627469911

Diamond specifications and retailer prices

From £356 GBP
$474 USD
As of October 29, 2026
Save £2,723 GBP (88%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £3,439 GBP at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 1.87ct lab-grown round diamond

This 1.87ct 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 LG627469911 or 627469911. Listed at 30 retailers as of October 29, 2026, with a 765% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627469911
Dimensions7.99 × 7.95 × 4.84 mm
L/W Ratio1.01
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
7.99 mm7.95 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627469911
Side View
Table 60.0%Crown 33.3°Girdle: MediumPavilion 41.3°Culet: NoneDepth 60.7%

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: £3,079 GBP|Low: £356 GBP|High: £4,070 GBP|Avg: £1,169 GBP|-24.4%
Brilliant Earth
Retailer 2
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Retailer 26
October 30, 2026
Retailer 7£356 GBP
Retailer 15£399 GBP
Retailer 26£399 GBP
Retailer 4£442 GBP
Retailer 9£442 GBP
Retailer 3£481 GBP
Retailer 2£567 GBP
Retailer 14£592 GBP
Retailer 23£593 GBP
Retailer 12£629 GBP
Retailer 21£676 GBP
Retailer 6£717 GBP
Retailer 20£730 GBP
Retailer 22£758 GBP
Retailer 24£1,026 GBP
Retailer 13£1,027 GBP
Retailer 10£1,097 GBP
Retailer 18£1,398 GBP
Retailer 5£1,419 GBP
Retailer 11£1,441 GBP
Retailer 16£1,553 GBP
Retailer 25£1,623 GBP
Retailer 17£1,651 GBP
Retailer 19£1,750 GBP
Retailer 8£2,196 GBP
Brilliant Earth£3,079 GBP

28 data points across 26 retailers

30 retailers£356 GBP to £3,079 GBP

A
Cheapest Retailer
-
£356 GBP
$474 USD
A
Retailer 2
-
£399 GBP
$531 USD
View
Final sale: no returns
A
Retailer 3
-
£399 GBP
$531 USD
View
A
Retailer 4
-
£442 GBP
$588 USD
View
Retailer 5
-
£442 GBP
$588 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£442 GBP
$588 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
£481 GBP
HK$5,000 HKD
View
A
Retailer 8
-
£567 GBP
View
A
Retailer 9
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£592 GBP
$788 USD
View
A
Retailer 10
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£593 GBP
$790 USD
View
A
Retailer 11
-
£629 GBP
$837 USD
View
A
Retailer 12
-
£676 GBP
€857 EUR
View
A
Retailer 13
-
£717 GBP
A$1,468 AUD
View
A
Retailer 14
-
£730 GBP
View
A
Retailer 15
-
£758 GBP
ZAR 16,318 ZAR
View
B+
Retailer 16
-
£1,026 GBP
$1,366 USD
View
B+
Retailer 17
-
£1,027 GBP
A$2,105 AUD
View
B+
Retailer 18
-
£1,097 GBP
$1,461 USD
View
Retailer 19
-
£1,155 GBP
$1,538 USD
View
Price last confirmed 38 days ago
B+
Retailer 20
-
£1,398 GBP
SGD 2,515 SGD
View
B+
Retailer 21
-
£1,419 GBP
$1,889 USD
View
B+
Retailer 22
-
£1,441 GBP
$1,919 USD
View
B+
Retailer 23
-
£1,535 GBP
$2,044 USD
View
B+
Retailer 24
-
£1,553 GBP
$2,068 USD
View
B+
Retailer 25
-
£1,623 GBP
View
B+
Retailer 26
-
£1,651 GBP
$2,199 USD
View
Retailer 27
-
£1,750 GBP
A$3,586 AUD
View
Price last confirmed 21 days ago
B+
Retailer 28
-
£2,196 GBP
$2,925 USD
View
B
Retailer 29
-
£3,079 GBP
$4,100 USD
View
Most Expensive
Brilliant Earth
9722329A · Oct 14
£3,439 GBP
$4,580 USD
View
Price last confirmed 15 days ago
29 more retailers have this diamond
Prices start from £356 GBPSave up to £2,723 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
1.87ct Round
£356 GBP