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Round|Lab Grown|IGI

1.97ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG678584407

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678584407

Diamond specifications and retailer prices

From €238 EUR
$266 USD
As of November 1, 2026
Save €970 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,208 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.97ct lab-grown round diamond

This 1.97ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584407 or 678584407. Listed at 17 retailers as of October 31, 2026, with prices from €238 to €1,208, a €970 spread on the same certified stone. Brilliant Earth lists it at €1,208. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.97
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584407
Dimensions8.15 × 8.06 × 4.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm8.06 mm1.97 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584407
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.4%

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: Nov 1
Current: €1,208 EUR|Low: €238 EUR|High: €1,250 EUR|Avg: €639 EUR
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 14€238 EUR
Retailer 8€267 EUR
Retailer 7€277 EUR
Retailer 6€295 EUR
Retailer 16€398 EUR
Retailer 3€439 EUR
Retailer 10€460 EUR
Retailer 15€547 EUR
Retailer 12€550 EUR
Retailer 11€560 EUR
Retailer 4€637 EUR
Retailer 13€749 EUR
Retailer 5€950 EUR
Retailer 9€1,020 EUR
Retailer 2€1,183 EUR
Brilliant Earth€1,208 EUR

35 data points across 16 retailers

17 retailers€238 EUR to €1,208 EUR

A
Cheapest Retailer
-
€238 EUR
$266 USD
A
Retailer 2
-
€267 EUR
$298 USD
View
Final sale: no returns
A
Retailer 3
-
€277 EUR
$309 USD
View
A
Retailer 4
-
€295 EUR
$330 USD
View
Retailer 5
-
€309 EUR
$345 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€398 EUR
$445 USD
View
A
Retailer 7
-
€439 EUR
$490 USD
View
A
Retailer 8
-
€460 EUR
£405 GBP
View
B+
Retailer 9
-
€547 EUR
$611 USD
View
B+
Retailer 10
-
€550 EUR
View
B+
Retailer 11
-
€560 EUR
£493 GBP
View
B+
Retailer 12
-
€637 EUR
$712 USD
View
B+
Retailer 13
-
€749 EUR
$837 USD
View
B
Retailer 14
-
€950 EUR
$1,061 USD
View
B
Retailer 15
-
€1,020 EUR
$1,140 USD
View
B
Retailer 16
-
€1,183 EUR
£1,041 GBP
View
Most Expensive
B
Brilliant Earth
17470283A · Oct 31
€1,208 EUR
$1,350 USD
View
16 more retailers have this diamond
Prices start from €238 EURSave up to €970 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
1.97ct Round
€238 EUR