Round|Lab Grown|IGI

1.92ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG678546738

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678546738

Diamond specifications and retailer prices

From £286 GBP
$381 USD
As of October 29, 2026
Save £1,659 GBP (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,945 GBP at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.92ct lab-grown round diamond

This 1.92ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678546738 or 678546738. Listed at 19 retailers as of October 25, 2026, with prices from £286 to £1,945, a £1,659 spread on the same certified stone. Rare Carat lists it at £1,945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.92
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678546738
Dimensions8.01 × 7.94 × 4.95 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
8.01 mm7.94 mm1.92 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678546738
Side View
Table 57.0%Crown 35.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.1%

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: £1,945 GBP|Low: £275 GBP|High: £1,982 GBP|Avg: £760 GBP|-1.9%
Rare Carat
Retailer 2
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 29, 2026
Retailer 16£286 GBP
Retailer 5£320 GBP
Retailer 7£320 GBP
Retailer 3£354 GBP
Retailer 13£466 GBP
Retailer 15£487 GBP
Retailer 11£536 GBP
Retailer 6£550 GBP
Retailer 12£609 GBP
Retailer 2£638 GBP
Retailer 9£823 GBP
Retailer 14£994 GBP
Retailer 8£1,140 GBP
Retailer 4£1,328 GBP
Retailer 10£1,393 GBP
Rare Carat£1,945 GBP

41 data points across 16 retailers

19 retailers£286 GBP to £1,945 GBP

A
Cheapest Retailer
-
£286 GBP
$381 USD
A
Retailer 2
-
£320 GBP
$426 USD
View
A
Retailer 3
-
£320 GBP
$426 USD
View
Final sale: no returns
A
Retailer 4
-
£354 GBP
$472 USD
View
A
Retailer 5
-
£354 GBP
$472 USD
View
A
Retailer 6
-
£466 GBP
$620 USD
View
A
Retailer 7
-
£487 GBP
$648 USD
View
A
Retailer 8
-
£536 GBP
View
A
Retailer 9
-
£550 GBP
$733 USD
View
A
Retailer 10
-
£609 GBP
ZAR 13,108 ZAR
View
A
Retailer 11
-
£638 GBP
View
A
Retailer 12
-
£823 GBP
A$1,686 AUD
View
B+
Retailer 13
-
£994 GBP
$1,324 USD
View
B+
Retailer 14
-
£1,025 GBP
$1,365 USD
View
B+
Retailer 15
-
£1,140 GBP
$1,518 USD
View
B+
Retailer 16
-
£1,168 GBP
$1,556 USD
View
B+
Retailer 17
-
£1,328 GBP
$1,768 USD
View
B+
Retailer 18
-
£1,393 GBP
View
Most Expensive
B
Rare Carat
GD13612_l_678546738 · Oct 25
£1,945 GBP
$2,590 USD
View
18 more retailers have this diamond
Prices start from £286 GBPSave up to £1,659 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
1.92ct Round
£286 GBP