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Oval|Lab Grown|IGI

1.97ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG740511027

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG740511027

Diamond specifications and retailer prices

From £175 GBP
$234 USD
As of October 29, 2026
Save £807 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £981 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.97ct lab-grown oval diamond

This 1.97ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG740511027 or 740511027. Listed at 12 retailers as of October 28, 2026, with prices from £175 to £981, a £807 spread on the same certified stone. Rare Carat lists it at £981. 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

1.97
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740511027
Dimensions10.26 × 7.09 × 4.38 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.26 mm7.09 mm1.97 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740511027
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: Oct 29
Current: £1,159 GBP|Low: £175 GBP|High: £1,821 GBP|Avg: £626 GBP
Rare Carat
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 31, 2026
Retailer 10£175 GBP
Retailer 4£203 GBP
Retailer 11£216 GBP
Retailer 14£248 GBP
Retailer 9£278 GBP
Retailer 15£366 GBP
Retailer 2£409 GBP
Retailer 12£418 GBP
Retailer 5£487 GBP
Retailer 13£543 GBP
Retailer 3£696 GBP
Retailer 8£699 GBP
Retailer 6£1,094 GBP
Rare Carat£1,159 GBP
Retailer 7£1,821 GBP

5 data points across 15 retailers

12 retailers£175 GBP to £981 GBP

A
Cheapest Retailer
-
£175 GBP
$234 USD
A
Retailer 2
-
£203 GBP
$272 USD
View
A
Retailer 3
-
£216 GBP
$290 USD
View
A
Retailer 4
-
£248 GBP
HK$2,600 HKD
View
A
Retailer 5
-
£278 GBP
View
B+
Retailer 6
-
£366 GBP
$491 USD
View
A
Retailer 7
-
£409 GBP
View
A
Retailer 8
-
£418 GBP
$560 USD
View
B+
Retailer 9
-
£543 GBP
$727 USD
View
B+
Retailer 10
-
£696 GBP
$933 USD
View
B+
Retailer 11
-
£699 GBP
$936 USD
View
Most Expensive
B
Rare Carat
KI0275110KF740 · Oct 28
£981 GBP
$1,315 USD
View
11 more retailers have this diamond
Prices start from £175 GBPSave up to £807 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
1.97ct Oval
£175 GBP