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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG817693378

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817693378

Diamond specifications and retailer prices

From €928 EUR
$1,037 USD
As of October 29, 2026
Save €4,380 EUR (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,308 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693378 or 817693378. Listed at 21 retailers as of October 29, 2026, with prices from €928 to €5,308, a €4,380 spread on the same certified stone. Brilliant Earth lists it at €5,308. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693378
Dimensions8.05 × 8.11 × 4.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
8.05 mm8.11 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693378
Side View
Table 57.0%Crown 33°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.3%

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: €5,308 EUR|Low: €891 EUR|High: €5,755 EUR|Avg: €2,318 EUR|-7.6%
Brilliant Earth
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 31, 2026
Retailer 13€928 EUR
Retailer 5€1,010 EUR
Retailer 14€1,077 EUR
Retailer 12€1,231 EUR
Retailer 7€1,534 EUR
Retailer 2€1,714 EUR
Retailer 3€1,718 EUR
Retailer 8€1,979 EUR
Retailer 6€2,018 EUR
Retailer 11€3,142 EUR
Retailer 10€3,180 EUR
Retailer 4€3,613 EUR
Retailer 9€3,657 EUR
Brilliant Earth€5,308 EUR

39 data points across 14 retailers

21 retailers€928 EUR to €5,308 EUR

A
Cheapest Retailer
-
€928 EUR
$1,037 USD
A
Retailer 2
-
€1,010 EUR
$1,128 USD
View
A
Retailer 3
-
€1,039 EUR
$1,161 USD
View
Final sale: no returns
Retailer 4
-
€1,077 EUR
$1,203 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€1,077 EUR
$1,203 USD
View
B+
Retailer 6
-
€1,231 EUR
$1,375 USD
View
B+
Retailer 7
-
€1,249 EUR
HK$10,900 HKD
View
B+
Retailer 8
-
€1,528 EUR
$1,707 USD
View
B+
Retailer 9
-
€1,534 EUR
£1,350 GBP
View
B+
Retailer 10
-
€1,714 EUR
View
B+
Retailer 11
-
€1,718 EUR
$1,919 USD
View
B+
Retailer 12
-
€1,979 EUR
ZAR 35,722 ZAR
View
B+
Retailer 13
-
€2,018 EUR
$2,255 USD
View
B
Retailer 14
-
€2,250 EUR
$2,514 USD
View
B
Retailer 15
-
€3,142 EUR
$3,510 USD
View
B
Retailer 16
-
€3,180 EUR
$3,553 USD
View
B
Retailer 17
-
€3,459 EUR
$3,865 USD
View
B
Retailer 18
-
€3,613 EUR
SGD 5,454 SGD
View
B
Retailer 19
-
€3,657 EUR
£3,217 GBP
View
B
Retailer 20
-
€3,758 EUR
$4,198 USD
View
Most Expensive
B
Brilliant Earth
20860275A · Oct 30
€5,308 EUR
$5,930 USD
View
20 more retailers have this diamond
Prices start from €928 EURSave up to €4,380 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
1.91ct Round
€928 EUR