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Round|Lab Grown|GSI

1.74ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • GSI 98843800103

Certificate GSI 98843800103

Diamond specifications and retailer prices

From £488 GBP
$654 USD
As of October 29, 2026
Save £1,268 GBP (72%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,465 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GSI 98843800103. Listed at 5 retailers as of October 27, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.74
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.3°
OriginLab Grown
Grading LabGSI
CertificateGSI 98843800103
Dimensions7.72 × 7.64 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.72 mm7.64 mm1.74 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGSI 98843800103
Side View
Table 59.0%Crown 34°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,465 GBP|Low: £468 GBP|High: £2,481 GBP|Avg: £1,357 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2£488 GBP
Retailer 4£531 GBP
Retailer 3£1,435 GBP
Retailer 6£1,530 GBP
Retailer 5£1,756 GBP
MOH London£2,465 GBP

11 data points across 6 retailers

5 retailers£488 GBP to £1,756 GBP

B+
Cheapest Retailer
-
£488 GBP
$654 USD
B+
Retailer 2
-
£531 GBP
$711 USD
View
B
Retailer 3
-
£1,435 GBP
$1,923 USD
View
C
Retailer 4
-
£1,756 GBP
$2,353 USD
View
Most Expensive
MOH London
98843800103 · Oct 29
£2,465 GBP
View
Price under review
4 more retailers have this diamond
Prices start from £488 GBPSave up to £1,268 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.

B+
1.74ct Round
£488 GBP