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Round|Lab Grown|GIA

1.72ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 1495354904

Certificate GIA 1495354904

Diamond specifications and retailer prices

From £478 GBP
$640 USD
As of October 30, 2026
Save £1,497 GBP (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,307 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1495354904. Listed at 10 retailers as of October 30, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.72
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1495354904
Dimensions8.47 × 6.23 × 3.99 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
8.47 mm6.23 mm1.72 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1495354904
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.1%

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: £2,307 GBP|Low: £334 GBP|High: £2,332 GBP|Avg: £1,062 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6£478 GBP
Retailer 8£492 GBP
Retailer 7£627 GBP
Retailer 4£688 GBP
Retailer 5£692 GBP
Retailer 2£830 GBP
Retailer 3£855 GBP
Retailer 9£1,560 GBP
Retailer 10£1,975 GBP
MOH London£2,307 GBP

41 data points across 10 retailers

10 retailers£478 GBP to £1,975 GBP

A
Cheapest Retailer
-
£478 GBP
$640 USD
Final sale: no returns
A
Retailer 2
-
£492 GBP
$659 USD
View
B+
Retailer 3
-
£627 GBP
$840 USD
View
B+
Retailer 4
-
£688 GBP
HK$7,200 HKD
View
Retailer 5
-
£692 GBP
$927 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
£830 GBP
View
B
Retailer 7
-
£855 GBP
€1,091 EUR
View
B
Retailer 8
-
£1,560 GBP
$2,090 USD
View
B
Retailer 9
-
£1,975 GBP
$2,646 USD
View
Most Expensive
MOH London
1495354904 · Oct 26
£2,307 GBP
View
Price under review
9 more retailers have this diamond
Prices start from £478 GBPSave up to £1,497 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
1.72ct Round
£478 GBP