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Heart|Lab Grown|IGI

1.76ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • IGI LG602397352

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG602397352

Diamond specifications and retailer prices

From £255 GBP
As of November 6, 2026
Save £1,374 GBP (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,629 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.76ct lab-grown heart diamond

This 1.76ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602397352 or 602397352. Listed at 9 retailers as of November 2, 2026, with prices from £255 to £1,629, a £1,374 spread on the same certified stone. Do Amore Diamonds lists it at £1,629. 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

1.76
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602397352
Dimensions7.48 × 8.14 × 4.96 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm8.14 mm1.76 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602397352
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: Nov 6
Current: £1,629 GBP|Low: £142 GBP|High: £1,651 GBP|Avg: £586 GBP|-1.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£142 GBP
Retailer 10£255 GBP
Retailer 11£283 GBP
Retailer 9£305 GBP
Retailer 3£359 GBP
Retailer 2£369 GBP
Retailer 7£374 GBP
Retailer 4£490 GBP
Retailer 8£680 GBP
Retailer 5£932 GBP
Retailer 6£956 GBP
Do Amore Diamonds£1,629 GBP

21 data points across 12 retailers

9 retailers£255 GBP to £1,629 GBP

A
Cheapest Retailer
-
£255 GBP
B+
Retailer 2
-
£283 GBP
View
A
Retailer 3
-
£305 GBP
View
A
Retailer 4
-
£369 GBP
View
A
Retailer 5
-
£374 GBP
View
B
Retailer 6
-
£680 GBP
View
B
Retailer 7
-
£932 GBP
View
B
Retailer 8
-
£956 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D37C0A7E9 · Nov 2
£1,629 GBP
$2,180 USD
View
8 more retailers have this diamond
Prices start from £255 GBPSave up to £1,374 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
1.76ct Heart
£255 GBP