Round|Lab Grown|IGI

2.81ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG771633588

Shape and cutting style on the report: Round brilliant

Certificate IGI LG771633588

Diamond specifications and retailer prices

From $1,431 USD
As of November 1, 2026
Save $7,979 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,410 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.81ct lab-grown round diamond

This 2.81ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG771633588 or 771633588. Listed at 24 retailers as of November 1, 2026, with prices from $1,431 to $9,410, a $7,979 spread on the same certified stone. Brilliant Earth lists it at $9,410. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.81
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771633588
Dimensions9.00 × 9.04 × 5.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.00 mm9.04 mm2.81 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771633588
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $9,410 USD|Low: $1,374 USD|High: $9,410 USD|Avg: $3,345 USD|+0.1%
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
Retailer 17
November 3, 2026
Retailer 16$1,431 USD
Retailer 7$1,557 USD
Retailer 9$1,602 USD
Retailer 3$1,660 USD
Retailer 14$1,830 USD
Retailer 6$1,868 USD
Retailer 11$2,333 USD
Retailer 4$2,619 USD
Retailer 12$2,658 USD
Retailer 8$3,111 USD
Retailer 13$3,940 USD
Retailer 2$4,286 USD
Retailer 17$4,295 USD
Retailer 10$4,740 USD
Retailer 15$5,125 USD
Retailer 5$5,549 USD
Brilliant Earth$9,410 USD

43 data points across 17 retailers

24 retailers$1,431 USD to $9,410 USD

A
Cheapest Retailer
-
$1,431 USD
A
Retailer 2
-
$1,557 USD
View
A
Retailer 3
-
$1,602 USD
View
Final sale: no returns
Retailer 4
-
$1,660 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,660 USD
View
A
Retailer 6
-
$1,830 USD
View
B+
Retailer 7
-
$1,868 USD
View
B+
Retailer 8
-
$1,920 USD
HK$15,000 HKD
View
B+
Retailer 9
-
$2,333 USD
£1,837 GBP
View
B+
Retailer 10
-
$2,482 USD
View
B+
Retailer 11
-
$2,619 USD
View
B+
Retailer 12
-
$2,658 USD
€2,531 EUR
View
B+
Retailer 13
-
$3,012 USD
View
B+
Retailer 14
-
$3,111 USD
View
B
Retailer 15
-
$3,940 USD
A$6,061 AUD
View
B
Retailer 16
-
$4,286 USD
ZAR 69,240 ZAR
View
B+
Retailer 17
-
$4,295 USD
View
B
Retailer 18
-
$4,473 USD
View
B
Retailer 19
-
$4,740 USD
£3,732 GBP
View
B
Retailer 20
-
$5,121 USD
View
B
Retailer 21
-
$5,125 USD
View
B
Retailer 22
-
$5,549 USD
SGD 7,498 SGD
View
B
Retailer 23
-
$5,840 USD
View
Most Expensive
B
Brilliant Earth
19064269A · Nov 2
$9,410 USD
View
23 more retailers have this diamond
Prices start from $1,431 USDSave up to $7,979 USD

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
2.81ct Round
$1,431 USD