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Marquise|Lab Grown|IGI

1.77ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG841629563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841629563

Diamond specifications and retailer prices

From £230 GBP
$306 USD
As of October 30, 2026
Save £1,118 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,774 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.77ct lab-grown marquise diamond

This 1.77ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841629563 or 841629563. Listed at 23 retailers as of October 28, 2026, with a 487% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841629563
Dimensions12.19 × 6.23 × 3.96 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm6.23 mm1.77 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841629563
Side View
Table 60.0%Crown 39°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.6%

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 30
Current: £1,100 GBP|Low: £230 GBP|High: £1,348 GBP|Avg: £604 GBP|+9.2%
Retailer 1
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Retailer 22
October 30, 2026
Retailer 17£230 GBP
Retailer 16£258 GBP
Retailer 13£269 GBP
Retailer 22£286 GBP
Retailer 9£288 GBP
Retailer 18£302 GBP
Retailer 5£402 GBP
Retailer 7£446 GBP
Retailer 12£465 GBP
Retailer 14£488 GBP
Retailer 19£505 GBP
Retailer 11£546 GBP
Retailer 6£628 GBP
Retailer 3£667 GBP
Retailer 8£883 GBP
Retailer 4£903 GBP
Retailer 20£912 GBP
Retailer 2£920 GBP
Retailer 21£951 GBP
Retailer 1£1,100 GBP
Retailer 10£1,153 GBP
Retailer 15£1,348 GBP

15 data points across 22 retailers

23 retailers£230 GBP to £1,348 GBP

A
Cheapest Retailer
-
£230 GBP
$306 USD
A
Retailer 2
-
£258 GBP
$344 USD
View
Final sale: no returns
A
Retailer 3
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£269 GBP
$358 USD
View
A
Retailer 4
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£286 GBP
$381 USD
View
A
Retailer 5
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£288 GBP
$383 USD
View
A
Retailer 6
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£302 GBP
View
A
Retailer 7
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£402 GBP
$535 USD
View
A
Retailer 8
-
£446 GBP
€566 EUR
View
A
Retailer 9
-
£465 GBP
$619 USD
View
A
Retailer 10
-
£488 GBP
ZAR 10,500 ZAR
View
A
Retailer 11
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£505 GBP
View
A
Retailer 12
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£546 GBP
$727 USD
View
A
Retailer 13
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£628 GBP
$836 USD
View
A
Retailer 14
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£667 GBP
A$1,366 AUD
View
B+
Retailer 15
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£883 GBP
$1,176 USD
View
B+
Retailer 16
-
£903 GBP
$1,202 USD
View
B+
Retailer 17
-
£912 GBP
SGD 1,642 SGD
View
B+
Retailer 18
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£920 GBP
$1,225 USD
View
B+
Retailer 19
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£951 GBP
$1,266 USD
View
B+
Retailer 20
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£1,100 GBP
$1,465 USD
View
B+
Retailer 21
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£1,153 GBP
View
B
Retailer 22
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£1,348 GBP
$1,795 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMIPLMJ · Oct 13
£1,774 GBP
$2,363 USD
View
Price last confirmed 17 days ago
22 more retailers have this diamond
Prices start from £230 GBPSave up to £1,118 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
1.77ct Marquise
£230 GBP