Round|Lab Grown|IGI

1.00ct H IF Round Lab Grown Diamond

ID • H/IF • IGI LG821638249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821638249

Diamond specifications and retailer prices

From €142 EUR
$159 USD
As of October 29, 2026
Save €810 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €952 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638249 or 821638249. Listed at 17 retailers as of October 29, 2026, with prices from €142 to €952, a €810 spread on the same certified stone. Reve Diamonds lists it at €952. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638249
Dimensions6.51 × 6.47 × 3.86 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 Faint Blue
Top View
6.51 mm6.47 mm1.00 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638249
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

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: €267 EUR|Low: €142 EUR|High: €952 EUR|Avg: €412 EUR|-0.2%
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
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 30, 2026
Retailer 15€142 EUR
Retailer 3€159 EUR
Retailer 13€166 EUR
Retailer 2€177 EUR
Retailer 4€177 EUR
Retailer 5€246 EUR
Retailer 1€267 EUR
Retailer 12€280 EUR
Retailer 10€304 EUR
Retailer 6€394 EUR
Retailer 7€413 EUR
Retailer 11€431 EUR
Retailer 16€568 EUR
Retailer 14€601 EUR
Retailer 8€618 EUR
Retailer 9€832 EUR
Reve Diamonds€952 EUR

22 data points across 17 retailers

17 retailers€142 EUR to €952 EUR

A
Cheapest Retailer
-
€142 EUR
$159 USD
A
Retailer 2
-
€159 EUR
$178 USD
View
Final sale: no returns
A
Retailer 3
-
€166 EUR
$185 USD
View
A
Retailer 4
-
€177 EUR
$198 USD
View
A
Retailer 5
-
€177 EUR
$198 USD
View
B+
Retailer 6
-
€246 EUR
$275 USD
View
A
Retailer 7
-
€267 EUR
£235 GBP
View
A
Retailer 8
-
€280 EUR
HK$2,447 HKD
View
A
Retailer 9
-
€304 EUR
ZAR 5,482 ZAR
View
B+
Retailer 10
-
€394 EUR
$440 USD
View
B+
Retailer 11
-
€413 EUR
$461 USD
View
B+
Retailer 12
-
€431 EUR
A$741 AUD
View
B+
Retailer 13
-
€568 EUR
$635 USD
View
B+
Retailer 14
-
€601 EUR
$671 USD
View
B
Retailer 15
-
€618 EUR
$690 USD
View
B
Retailer 16
-
€832 EUR
£732 GBP
View
Most Expensive
B
Reve Diamonds
F02AEB618 · Oct 30
€952 EUR
$1,064 USD
View
16 more retailers have this diamond
Prices start from €142 EURSave up to €810 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
€142 EUR