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Marquise|Lab Grown|IGI

1.04ct D VS1 Marquise Lab Grown Diamond

GD • D/VS1 • IGI LG839698320

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839698320

Diamond specifications and retailer prices

From £141 GBP
$188 USD
As of October 27, 2026
Save £1,206 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,348 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.04ct lab-grown marquise diamond

This 1.04ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG839698320 or 839698320. Listed at 20 retailers as of October 27, 2026, with prices from £141 to £1,348, a £1,206 spread on the same certified stone. Queensmith lists it at £1,348. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.04
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839698320
Dimensions10.69 × 5.27 × 3.24 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizeNone
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
10.69 mm5.27 mm1.04 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839698320
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 40°Culet: NoneDepth 61.5%

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 27
Current: £1,348 GBP|Low: £132 GBP|High: £1,348 GBP|Avg: £415 GBP
Queensmith
Retailer 2
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Retailer 20
October 29, 2026
Retailer 12£141 GBP
Retailer 18£148 GBP
Retailer 20£155 GBP
Retailer 9£175 GBP
Retailer 11£175 GBP
Retailer 2£222 GBP
Retailer 17£269 GBP
Retailer 19£294 GBP
Retailer 4£296 GBP
Retailer 5£302 GBP
Retailer 8£302 GBP
Retailer 13£347 GBP
Retailer 6£429 GBP
Retailer 15£511 GBP
Retailer 16£531 GBP
Retailer 10£567 GBP
Retailer 14£572 GBP
Retailer 3£572 GBP
Retailer 7£822 GBP
Queensmith£1,348 GBP

25 data points across 20 retailers

20 retailers£141 GBP to £1,348 GBP

A
Cheapest Retailer
-
£141 GBP
$188 USD
A
Retailer 2
-
£148 GBP
$197 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$206 USD
View
A
Retailer 4
-
£175 GBP
$233 USD
View
A
Retailer 5
-
£175 GBP
$233 USD
View
A
Retailer 6
-
£222 GBP
View
A
Retailer 7
-
£269 GBP
$358 USD
View
A
Retailer 8
-
£294 GBP
$391 USD
View
A
Retailer 9
-
£296 GBP
View
B+
Retailer 10
-
£302 GBP
ZAR 6,473 ZAR
View
B+
Retailer 11
-
£302 GBP
€382 EUR
View
B+
Retailer 12
-
£347 GBP
$461 USD
View
B
Retailer 13
-
£429 GBP
A$876 AUD
View
B
Retailer 14
-
£511 GBP
A$1,045 AUD
View
B
Retailer 15
-
£531 GBP
$706 USD
View
B
Retailer 16
-
£567 GBP
$753 USD
View
B
Retailer 17
-
£572 GBP
$760 USD
View
B
Retailer 18
-
£572 GBP
$761 USD
View
B
Retailer 19
-
£822 GBP
View
Most Expensive
C
Queensmith
LG839698320 · Oct 27
£1,348 GBP
View
19 more retailers have this diamond
Prices start from £141 GBPSave up to £1,206 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
1.04ct Marquise
£141 GBP