Round|Lab Grown|IGI

1.50ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG850671381

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850671381

Diamond specifications and retailer prices

From £200 GBP
$268 USD
As of November 1, 2026
Save £2,226 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,426 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850671381 or 850671381. Listed at 21 retailers as of October 30, 2026, with prices from £200 to £2,426, a £2,226 spread on the same certified stone. Yadav Diamonds lists it at £2,426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850671381
Dimensions7.43 × 7.45 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm7.45 mm1.50 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850671381
Side View
Table 60.0%Crown 32.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £262 GBP|Low: £200 GBP|High: £2,426 GBP|Avg: £704 GBP|-0.3%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Yadav Diamonds
November 2, 2026
Retailer 4£200 GBP
Retailer 19£232 GBP
Retailer 16£248 GBP
Retailer 1£262 GBP
Retailer 7£277 GBP
Retailer 10£334 GBP
Retailer 3£366 GBP
Retailer 5£400 GBP
Retailer 14£428 GBP
Retailer 6£443 GBP
Retailer 12£475 GBP
Retailer 18£593 GBP
Retailer 20£625 GBP
Retailer 17£797 GBP
Retailer 13£811 GBP
Retailer 9£835 GBP
Retailer 8£954 GBP
Retailer 15£994 GBP
Retailer 2£1,049 GBP
Retailer 11£1,392 GBP
Yadav Diamonds£2,426 GBP

6 data points across 21 retailers

21 retailers£200 GBP to £2,426 GBP

A
Cheapest Retailer
-
£200 GBP
$268 USD
A
Retailer 2
-
£232 GBP
$311 USD
View
A
Retailer 3
-
£248 GBP
$332 USD
View
A
Retailer 4
-
£262 GBP
View
A
Retailer 5
-
£277 GBP
HK$2,900 HKD
View
B+
Retailer 6
-
£334 GBP
$448 USD
View
A
Retailer 7
-
£366 GBP
$490 USD
View
A
Retailer 8
-
£400 GBP
€511 EUR
View
A
Retailer 9
-
£428 GBP
ZAR 9,258 ZAR
View
A
Retailer 10
-
£443 GBP
$594 USD
View
A
Retailer 11
-
£475 GBP
View
B+
Retailer 12
-
£593 GBP
$795 USD
View
B+
Retailer 13
-
£625 GBP
$837 USD
View
B+
Retailer 14
-
£797 GBP
$1,068 USD
View
B+
Retailer 15
-
£811 GBP
SGD 1,469 SGD
View
B+
Retailer 16
-
£835 GBP
$1,119 USD
View
B
Retailer 17
-
£954 GBP
$1,278 USD
View
B
Retailer 18
-
£994 GBP
View
B
Retailer 19
-
£1,049 GBP
$1,405 USD
View
B
Retailer 20
-
£1,392 GBP
$1,865 USD
View
Most Expensive
B
Yadav Diamonds
13369211 · Oct 30
£2,426 GBP
$3,251 USD
View
20 more retailers have this diamond
Prices start from £200 GBPSave up to £2,226 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
1.50ct Round
£200 GBP