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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG779641877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779641877

Diamond specifications and retailer prices

From $738 USD
As of October 29, 2026
Save $4,252 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,990 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779641877 or 779641877. Listed at 24 retailers as of October 29, 2026, with prices from $738 to $4,990, a $4,252 spread on the same certified stone. Brilliant Earth lists it at $4,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779641877
Dimensions7.77 × 7.82 × 4.79 mm
L/W Ratio1.01
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
7.77 mm7.82 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779641877
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: Oct 29
Current: $4,990 USD|Low: $709 USD|High: $4,990 USD|Avg: $1,762 USD|+0.2%
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
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$738 USD
Retailer 8$803 USD
Retailer 10$826 USD
Retailer 4$856 USD
Retailer 11$856 USD
Retailer 15$1,035 USD
Retailer 7$1,106 USD
Retailer 13$1,363 USD
Retailer 2$1,370 USD
Retailer 5$1,386 USD
Retailer 14$1,574 USD
Retailer 18$2,109 USD
Retailer 16$2,130 USD
Retailer 9$2,407 USD
Retailer 17$2,765 USD
Retailer 3$2,778 USD
Retailer 6$2,879 USD
Retailer 12$3,379 USD
Brilliant Earth$4,990 USD

45 data points across 19 retailers

24 retailers$738 USD to $4,990 USD

A
Cheapest Retailer
-
$738 USD
A
Retailer 2
-
$803 USD
View
A
Retailer 3
-
$826 USD
View
Final sale: no returns
Retailer 4
-
$856 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$856 USD
View
A
Retailer 6
-
$998 USD
HK$7,800 HKD
View
A
Retailer 7
-
$1,035 USD
View
A
Retailer 8
-
$1,106 USD
View
B+
Retailer 9
-
$1,340 USD
View
B+
Retailer 10
-
$1,363 USD
€1,298 EUR
View
B+
Retailer 11
-
$1,370 USD
£1,078 GBP
View
B+
Retailer 12
-
$1,386 USD
View
B+
Retailer 13
-
$1,574 USD
ZAR 25,422 ZAR
View
B+
Retailer 14
-
$2,109 USD
View
Retailer 15
-
$2,130 USD
A$3,277 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$2,407 USD
View
B
Retailer 17
-
$2,765 USD
View
B
Retailer 18
-
$2,778 USD
View
B
Retailer 19
-
$2,879 USD
SGD 3,890 SGD
View
B
Retailer 20
-
$2,894 USD
View
B
Retailer 21
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$2,910 USD
View
B
Retailer 22
-
$2,951 USD
View
B
Retailer 23
-
$3,379 USD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
19067109A · Oct 29
$4,990 USD
View
23 more retailers have this diamond
Prices start from $738 USDSave up to $4,252 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
1.80ct Round
$738 USD