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Radiant|Lab Grown|GIA

1.66ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • GIA 1489232366

Certificate GIA 1489232366

Diamond specifications and retailer prices

From £317 GBP
$425 USD
As of October 30, 2026
Save £1,787 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,105 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.66ct lab-grown radiant diamond

This 1.66ct lab-grown radiant 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 stated by the retailer rather than the lab and certified by GIA 1489232366. Listed at 10 retailers as of October 30, 2026, with prices from £317 to £2,105, a £1,787 spread on the same certified stone. Brilliant Earth lists it at £2,105. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VVS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1489232366
Dimensions7.95 × 6.06 × 4.03 mm
L/W Ratio1.31
Girdle conditionPolished
Cert comments
This is a man-made diamond.
Key to symbols
Growth Remnant
Top View
7.95 mm6.06 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489232366
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.5%

Caratlytics Score

How it works →
A+
Exceptional
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: £2,105 GBP|Low: £256 GBP|High: £2,264 GBP|Avg: £1,185 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10£317 GBP
Retailer 6£355 GBP
Retailer 11£355 GBP
Retailer 8£393 GBP
Retailer 4£746 GBP
Retailer 5£1,254 GBP
Retailer 9£1,263 GBP
Retailer 7£1,396 GBP
Retailer 2£1,595 GBP
Brilliant Earth£2,105 GBP
Retailer 3£2,264 GBP

27 data points across 11 retailers

10 retailers£317 GBP to £2,105 GBP

A+
Cheapest Retailer
-
£317 GBP
$425 USD
A
Retailer 2
-
£355 GBP
$476 USD
View
Final sale: no returns
A
Retailer 3
-
£355 GBP
$476 USD
View
A
Retailer 4
-
£393 GBP
$527 USD
View
B+
Retailer 5
-
£746 GBP
ZAR 16,154 ZAR
View
B+
Retailer 6
-
£1,254 GBP
$1,681 USD
View
B
Retailer 7
-
£1,263 GBP
View
B+
Retailer 8
-
£1,396 GBP
$1,870 USD
View
B
Retailer 9
-
£1,595 GBP
View
Most Expensive
B
Brilliant Earth
8865039Y · Oct 31
£2,105 GBP
$2,820 USD
View
9 more retailers have this diamond
Prices start from £317 GBPSave up to £1,787 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+
1.66ct Radiant
£317 GBP