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Princess|Lab Grown|IGI

1.23ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG847680958

Shape and cutting style on the report: Princess cut

Certificate IGI LG847680958

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of October 30, 2026
Save £732 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £877 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.23ct lab-grown princess diamond

This 1.23ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847680958 or 847680958. Listed at 22 retailers as of October 30, 2026, with prices from £145 to £877, a £732 spread on the same certified stone. Reve Diamonds lists it at £877. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847680958
Dimensions6.03 × 5.98 × 3.93 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.03 mm5.98 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847680958
Side View
Table 73.0%Crown 40.6°Girdle: MediumPavilion 37°Culet: NoneDepth 65.7%

Caratlytics Score

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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: Oct 30
Current: £435 GBP|Low: £145 GBP|High: £877 GBP|Avg: £411 GBP|-24.9%
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Retailer 21
Reve Diamonds
October 31, 2026
Retailer 9£145 GBP
Retailer 10£162 GBP
Retailer 3£168 GBP
Retailer 2£180 GBP
Retailer 6£180 GBP
Retailer 4£201 GBP
Retailer 12£241 GBP
Retailer 16£295 GBP
Retailer 20£309 GBP
Retailer 13£313 GBP
Retailer 15£328 GBP
Retailer 8£356 GBP
Retailer 7£363 GBP
Retailer 1£435 GBP
Retailer 21£438 GBP
Retailer 19£530 GBP
Retailer 5£578 GBP
Retailer 14£586 GBP
Retailer 18£608 GBP
Retailer 11£618 GBP
Retailer 17£845 GBP
Reve Diamonds£877 GBP

11 data points across 22 retailers

22 retailers£145 GBP to £877 GBP

A
Cheapest Retailer
-
£145 GBP
$194 USD
A
Retailer 2
-
£162 GBP
$217 USD
View
Final sale: no returns
A
Retailer 3
-
£168 GBP
$225 USD
View
A
Retailer 4
-
£180 GBP
$241 USD
View
A
Retailer 5
-
£180 GBP
$241 USD
View
A
Retailer 6
-
£201 GBP
HK$2,100 HKD
View
A
Retailer 7
-
£241 GBP
View
A
Retailer 8
-
£295 GBP
€377 EUR
View
A
Retailer 9
-
£309 GBP
ZAR 6,678 ZAR
View
A
Retailer 10
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£313 GBP
$419 USD
View
A
Retailer 11
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£328 GBP
View
A
Retailer 12
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£356 GBP
$477 USD
View
A
Retailer 13
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£363 GBP
$487 USD
View
B+
Retailer 14
-
£435 GBP
$583 USD
View
B+
Retailer 15
-
£438 GBP
A$903 AUD
View
B+
Retailer 16
-
£530 GBP
$710 USD
View
B+
Retailer 17
-
£578 GBP
$774 USD
View
B+
Retailer 18
-
£586 GBP
SGD 1,061 SGD
View
B+
Retailer 19
-
£608 GBP
A$1,254 AUD
View
B+
Retailer 20
-
£618 GBP
$828 USD
View
B
Retailer 21
-
£845 GBP
View
Most Expensive
B
Reve Diamonds
55DDB601C · Oct 30
£877 GBP
$1,175 USD
View
21 more retailers have this diamond
Prices start from £145 GBPSave up to £732 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
1.23ct Princess
£145 GBP