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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818615290

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818615290

Diamond specifications and retailer prices

From $965 AUD
$678 USD
As of October 29, 2026
Save $6,580 AUD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,545 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG818615290 or 818615290. Listed at 25 retailers as of October 29, 2026, with prices from $965 to $7,545, a $6,580 spread on the same certified stone. Do Amore Diamonds lists it at $7,545. 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 angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818615290
Dimensions8.00 × 8.04 × 4.87 mm
L/W Ratio1.00
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
8.00 mm8.04 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818615290
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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: $7,545 AUD|Low: $713 AUD|High: $9,040 AUD|Avg: $2,980 AUD
Do Amore Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 4$965 AUD
Retailer 22$1,098 AUD
Retailer 7$1,120 AUD
Retailer 14$1,120 AUD
Retailer 6$1,617 AUD
Retailer 9$1,745 AUD
Retailer 24$1,751 AUD
Retailer 5$1,772 AUD
Retailer 20$1,880 AUD
Retailer 23$1,942 AUD
Retailer 13$1,979 AUD
Retailer 19$2,090 AUD
Retailer 21$2,273 AUD
Retailer 11$2,828 AUD
Retailer 17$2,991 AUD
Retailer 16$3,476 AUD
Retailer 3$3,580 AUD
Retailer 8$3,768 AUD
Retailer 10$3,841 AUD
Retailer 12$4,423 AUD
Retailer 18$4,882 AUD
Retailer 2$5,068 AUD
Retailer 15$5,227 AUD
Do Amore Diamonds$7,545 AUD

35 data points across 24 retailers

25 retailers$965 AUD to $7,545 AUD

A
Cheapest Retailer
-
$965 AUD
$678 USD
A
Retailer 2
-
$1,098 AUD
$771 USD
View
Final sale: no returns
Retailer 3
-
$1,120 AUD
$787 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,120 AUD
$787 USD
View
A
Retailer 5
-
$1,617 AUD
View
A
Retailer 6
-
$1,745 AUD
$1,226 USD
View
A
Retailer 7
-
$1,751 AUD
$1,230 USD
View
A
Retailer 8
-
$1,772 AUD
$1,245 USD
View
A
Retailer 9
-
$1,880 AUD
€1,258 EUR
View
B+
Retailer 10
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$1,881 AUD
$1,321 USD
View
B+
Retailer 11
-
$1,942 AUD
$1,364 USD
View
B+
Retailer 12
-
$1,979 AUD
£1,095 GBP
View
B+
Retailer 13
-
$2,273 AUD
ZAR 25,791 ZAR
View
B+
Retailer 14
-
$2,828 AUD
$1,986 USD
View
B+
Retailer 15
-
$2,991 AUD
$2,101 USD
View
B
Retailer 16
-
$3,476 AUD
$2,442 USD
View
B
Retailer 17
-
$3,580 AUD
$2,515 USD
View
B
Retailer 18
-
$3,768 AUD
CA$3,676 CAD
View
B
Retailer 19
-
$3,841 AUD
$2,698 USD
View
B
Retailer 20
-
$4,423 AUD
$3,107 USD
View
B
Retailer 21
-
$4,423 AUD
$3,107 USD
View
B
Retailer 22
-
$4,882 AUD
£2,700 GBP
View
B
Retailer 23
-
$5,068 AUD
$3,560 USD
View
B
Retailer 24
-
$5,227 AUD
$3,672 USD
View
Most Expensive
B
Do Amore Diamonds
20-E93168 · Oct 29
$7,545 AUD
$5,300 USD
View
24 more retailers have this diamond
Prices start from $965 AUDSave up to $6,580 AUD

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
$965 AUD