Round|Lab Grown|IGI

1.00ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG818644852

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644852

Diamond specifications and retailer prices

From €149 EUR
$167 USD
As of October 29, 2026
Save €824 EUR (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,603 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1ct lab-grown round diamond

This 1ct lab-grown round 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 LG818644852 or 818644852. Listed at 24 retailers as of October 29, 2026, with a 552% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644852
Dimensions6.42 × 6.46 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.42 mm6.46 mm1.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644852
Side View
Table 54.0%Crown 32.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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 29
Current: €315 EUR|Low: €143 EUR|High: €876 EUR|Avg: €386 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14€149 EUR
Retailer 3€185 EUR
Retailer 12€206 EUR
Retailer 2€251 EUR
Retailer 5€257 EUR
Retailer 1€315 EUR
Retailer 10€318 EUR
Retailer 8€319 EUR
Retailer 7€328 EUR
Retailer 11€451 EUR
Retailer 13€487 EUR
Retailer 6€531 EUR
Retailer 4€608 EUR
Retailer 9€871 EUR

36 data points across 14 retailers

24 retailers€149 EUR to €974 EUR

A
Cheapest Retailer
-
€149 EUR
$167 USD
A
Retailer 2
-
€167 EUR
$187 USD
View
Final sale: no returns
A
Retailer 3
-
€174 EUR
$194 USD
View
A
Retailer 4
-
€185 EUR
$207 USD
View
A
Retailer 5
-
€185 EUR
$207 USD
View
A
Retailer 6
-
€206 EUR
HK$1,800 HKD
View
B+
Retailer 7
-
€251 EUR
$280 USD
View
A
Retailer 8
-
€257 EUR
$287 USD
View
A
Retailer 9
-
€315 EUR
£277 GBP
View
B+
Retailer 10
-
€318 EUR
ZAR 5,741 ZAR
View
B+
Retailer 11
-
€319 EUR
View
B+
Retailer 12
-
€328 EUR
£289 GBP
View
B+
Retailer 13
-
€401 EUR
$448 USD
View
B+
Retailer 14
-
€451 EUR
A$776 AUD
View
B+
Retailer 15
-
€487 EUR
$544 USD
View
B
Retailer 16
-
€507 EUR
SGD 766 SGD
View
Retailer 17
-
€531 EUR
A$913 AUD
View
Price last confirmed 33 days ago
B
Retailer 18
-
€595 EUR
$665 USD
View
B
Retailer 19
-
€608 EUR
$679 USD
View
B
Retailer 20
-
€645 EUR
$720 USD
View
Retailer 21
-
€788 EUR
$880 USD
View
Price last confirmed 40 days ago
B
Retailer 22
-
€871 EUR
£766 GBP
View
B
Retailer 23
-
€974 EUR
$1,088 USD
View
Most Expensive
Queensmith
LG818644852 · Oct 27
€1,603 EUR
£1,410 GBP
View
Price under review
23 more retailers have this diamond
Prices start from €149 EURSave up to €824 EUR

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
1.00ct Round
€149 EUR