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Round|Lab Grown|IGI

1.65ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG754516121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754516121

Diamond specifications and retailer prices

From £216 GBP
$290 USD
As of October 29, 2026
Save £1,090 GBP (83%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £1,306 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG754516121 or 754516121. Listed at 28 retailers as of October 29, 2026, with prices from £216 to £1,306, a £1,090 spread on the same certified stone. Brilliant Earth lists it at £1,306. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754516121
Dimensions7.60 × 7.64 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.60 mm7.64 mm1.65 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754516121
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

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 29
Current: £1,306 GBP|Low: £216 GBP|High: £1,306 GBP|Avg: £651 GBP
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 7£216 GBP
Retailer 2£242 GBP
Retailer 3£251 GBP
Retailer 5£268 GBP
Retailer 19£268 GBP
Retailer 18£362 GBP
Retailer 12£374 GBP
Retailer 14£439 GBP
Retailer 17£461 GBP
Retailer 13£473 GBP
Retailer 15£494 GBP
Retailer 16£623 GBP
Retailer 4£690 GBP
Retailer 6£861 GBP
Retailer 11£960 GBP
Retailer 8£1,037 GBP
Retailer 10£1,078 GBP
Retailer 9£1,080 GBP
Brilliant Earth£1,306 GBP

30 data points across 19 retailers

28 retailers£216 GBP to £1,306 GBP

A
Cheapest Retailer
-
£216 GBP
$290 USD
A
Retailer 2
-
£242 GBP
$324 USD
View
Final sale: no returns
A
Retailer 3
-
£251 GBP
$336 USD
View
A
Retailer 4
-
£268 GBP
$359 USD
View
Retailer 5
-
£268 GBP
$359 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
£268 GBP
$359 USD
View
A
Retailer 7
-
£296 GBP
HK$3,100 HKD
View
B+
Retailer 8
-
£360 GBP
$482 USD
View
A
Retailer 9
-
£362 GBP
$485 USD
View
A
Retailer 10
-
£374 GBP
View
A
Retailer 11
-
£439 GBP
€560 EUR
View
A
Retailer 12
-
£461 GBP
ZAR 9,968 ZAR
View
A
Retailer 13
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£466 GBP
$625 USD
View
B+
Retailer 14
-
£473 GBP
View
B+
Retailer 15
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£494 GBP
A$1,018 AUD
View
B+
Retailer 16
-
£541 GBP
$725 USD
View
B+
Retailer 17
-
£623 GBP
A$1,285 AUD
View
B+
Retailer 18
-
£690 GBP
$924 USD
View
B
Retailer 19
-
£859 GBP
SGD 1,556 SGD
View
B
Retailer 20
-
£861 GBP
$1,154 USD
View
B
Retailer 21
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£898 GBP
$1,203 USD
View
B
Retailer 22
-
£960 GBP
$1,286 USD
View
B
Retailer 23
-
£1,030 GBP
$1,380 USD
View
B
Retailer 24
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£1,037 GBP
$1,390 USD
View
Retailer 25
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£1,078 GBP
A$2,222 AUD
View
Price last confirmed 22 days ago
B
Retailer 26
-
£1,080 GBP
View
B
Retailer 27
-
£1,104 GBP
$1,480 USD
View
Most Expensive
B
Brilliant Earth
20707664A · Oct 29
£1,306 GBP
$1,750 USD
View
27 more retailers have this diamond
Prices start from £216 GBPSave up to £1,090 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
1.65ct Round
£216 GBP