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Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644400

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644400

Diamond specifications and retailer prices

From €131 EUR
$146 USD
As of October 29, 2026
Save €1,249 EUR (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,380 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644400 or 818644400. Listed at 22 retailers as of October 27, 2026, with prices from €131 to €1,380, a €1,249 spread on the same certified stone. Queensmith lists it at €1,380. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644400
Dimensions6.49 × 6.44 × 3.87 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
6.49 mm6.44 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644400
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.9%

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: €280 EUR|Low: €126 EUR|High: €770 EUR|Avg: €332 EUR|+6.2%
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
October 29, 2026
Retailer 13€131 EUR
Retailer 11€146 EUR
Retailer 3€163 EUR
Retailer 2€220 EUR
Retailer 1€280 EUR
Retailer 8€294 EUR
Retailer 7€309 EUR
Retailer 6€332 EUR
Retailer 5€373 EUR
Retailer 9€405 EUR
Retailer 12€415 EUR
Retailer 4€518 EUR
Retailer 10€762 EUR

37 data points across 13 retailers

22 retailers€131 EUR to €1,380 EUR

A
Cheapest Retailer
-
€131 EUR
$146 USD
A
Retailer 2
-
€146 EUR
$162 USD
View
Final sale: no returns
A
Retailer 3
-
€152 EUR
$169 USD
View
A
Retailer 4
-
€163 EUR
$181 USD
View
A
Retailer 5
-
€163 EUR
$181 USD
View
A
Retailer 6
-
€184 EUR
HK$1,600 HKD
View
B+
Retailer 7
-
€220 EUR
$245 USD
View
A
Retailer 8
-
€270 EUR
$301 USD
View
A
Retailer 9
-
€280 EUR
£245 GBP
View
A
Retailer 10
-
€294 EUR
ZAR 5,290 ZAR
View
A
Retailer 11
-
€309 EUR
View
A
Retailer 12
-
€332 EUR
£291 GBP
View
B+
Retailer 13
-
€373 EUR
$415 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
€405 EUR
A$694 AUD
View
B+
Retailer 15
-
€415 EUR
$462 USD
View
B+
Retailer 16
-
€448 EUR
SGD 674 SGD
View
B+
Retailer 17
-
€518 EUR
$577 USD
View
B+
Retailer 18
-
€523 EUR
$582 USD
View
B
Retailer 19
-
€573 EUR
$638 USD
View
B
Retailer 20
-
€762 EUR
£668 GBP
View
B
Retailer 21
-
€918 EUR
$1,022 USD
View
Most Expensive
B
Queensmith
LG818644400 · Oct 27
€1,380 EUR
£1,210 GBP
View
21 more retailers have this diamond
Prices start from €131 EURSave up to €1,249 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
0.99ct Round
€131 EUR