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Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG799676934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799676934

Diamond specifications and retailer prices

From £598 GBP
$796 USD
As of October 29, 2026
Save £3,698 GBP (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,295 GBP at Brilliant Earth · As of October 29, 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 LG799676934 or 799676934. Listed at 24 retailers as of October 29, 2026, with prices from £598 to £4,295, a £3,698 spread on the same certified stone. Brilliant Earth lists it at £4,295. 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 angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676934
Dimensions7.90 × 7.95 × 4.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
7.90 mm7.95 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676934
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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: £4,295 GBP|Low: £650 GBP|High: £4,295 GBP|Avg: £1,568 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6£650 GBP
Retailer 7£668 GBP
Retailer 10£826 GBP
Retailer 5£880 GBP
Retailer 2£1,060 GBP
Retailer 9£1,105 GBP
Retailer 3£1,120 GBP
Retailer 8£1,274 GBP
Retailer 14£1,648 GBP
Retailer 11£1,724 GBP
Retailer 15£2,212 GBP
Retailer 12£2,298 GBP
Retailer 4£2,332 GBP
Retailer 13£2,612 GBP
Brilliant Earth£4,295 GBP

45 data points across 15 retailers

24 retailers£598 GBP to £4,295 GBP

A
Cheapest Retailer
-
£598 GBP
$796 USD
A
Retailer 2
-
£650 GBP
$866 USD
View
A
Retailer 3
-
£668 GBP
$890 USD
View
Final sale: no returns
Retailer 4
-
£693 GBP
$923 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£693 GBP
$923 USD
View
A
Retailer 6
-
£807 GBP
HK$8,400 HKD
View
A
Retailer 7
-
£826 GBP
$1,100 USD
View
A
Retailer 8
-
£880 GBP
$1,172 USD
View
B+
Retailer 9
-
£1,060 GBP
View
B+
Retailer 10
-
£1,105 GBP
€1,401 EUR
View
B+
Retailer 11
-
£1,120 GBP
$1,491 USD
View
B+
Retailer 12
-
£1,178 GBP
$1,569 USD
View
B+
Retailer 13
-
£1,274 GBP
ZAR 27,410 ZAR
View
B+
Retailer 14
-
£1,648 GBP
$2,195 USD
View
Retailer 15
-
£1,724 GBP
A$3,533 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£1,949 GBP
$2,595 USD
View
B
Retailer 17
-
£2,212 GBP
$2,946 USD
View
Retailer 18
-
£2,298 GBP
$3,060 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
£2,324 GBP
$3,095 USD
View
B
Retailer 20
-
£2,332 GBP
SGD 4,197 SGD
View
B
Retailer 21
-
£2,343 GBP
$3,120 USD
View
B
Retailer 22
-
£2,397 GBP
$3,192 USD
View
B
Retailer 23
-
£2,612 GBP
View
Most Expensive
B
Brilliant Earth
20161132A · Oct 29
£4,295 GBP
$5,720 USD
View
23 more retailers have this diamond
Prices start from £598 GBPSave up to £3,698 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
£598 GBP