Round|Lab Grown|IGI

5.56ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG818674894

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818674894

Diamond specifications and retailer prices

From $6,377 USD
£5,022 GBP
As of November 1, 2026
Save $22,344 USD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $28,722 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.56ct lab-grown round diamond

This 5.56ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818674894 or 818674894. Listed at 24 retailers as of October 31, 2026, with prices from $6,377 to $28,722, a $22,344 spread on the same certified stone. Taylor and Hart lists it at $28,722. 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

5.56
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818674894
Dimensions11.37 × 11.43 × 7.04 mm
L/W Ratio1.01
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
11.37 mm11.43 mm5.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818674894
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $17,872 USD|Low: $6,375 USD|High: $33,490 USD|Avg: $13,201 USD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
Retailer 11
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Retailer 21
Taylor and Hart
November 1, 2026
Retailer 15$6,377 USD
Retailer 7$7,393 USD
Retailer 9$7,660 USD
Retailer 5$7,688 USD
Retailer 11$8,280 USD
Retailer 2$8,492 USD
Retailer 21$8,495 USD
Retailer 6$8,576 USD
Retailer 8$8,576 USD
Retailer 18$8,733 USD
Retailer 4$9,644 USD
Retailer 3$10,360 USD
Retailer 16$10,512 USD
Retailer 10$11,758 USD
Retailer 17$13,972 USD
Retailer 14$15,676 USD
Retailer 12$16,838 USD
Retailer 20$17,423 USD
Retailer 1$17,872 USD
Retailer 19$22,070 USD
Retailer 13$23,874 USD
Taylor and Hart$28,722 USD

28 data points across 22 retailers

24 retailers$6,377 USD to $28,722 USD

A+
Cheapest Retailer
-
$6,377 USD
£5,022 GBP
A
Retailer 2
-
$7,393 USD
View
A
Retailer 3
-
$7,660 USD
View
A
Retailer 4
-
$7,688 USD
View
A
Retailer 5
-
$8,280 USD
View
Final sale: no returns
A
Retailer 6
-
$8,492 USD
View
A
Retailer 7
-
$8,495 USD
View
Retailer 8
-
$8,576 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$8,576 USD
View
A
Retailer 10
-
$8,733 USD
View
Retailer 11
-
$9,062 USD
HK$70,800 HKD
View
Price last confirmed 42 days ago
Retailer 12
-
$9,605 USD
View
Price last confirmed 14 days ago
A
Retailer 13
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$9,644 USD
View
Retailer 14
-
$10,360 USD
View
Price last confirmed 14 days ago
A
Retailer 15
-
$10,512 USD
£8,277 GBP
View
A
Retailer 16
-
$11,758 USD
View
A
Retailer 17
-
$13,972 USD
€13,307 EUR
View
B+
Retailer 18
-
$15,676 USD
View
B+
Retailer 19
-
$16,838 USD
£13,258 GBP
View
B+
Retailer 20
-
$17,423 USD
ZAR 281,471 ZAR
View
B+
Retailer 21
-
$17,872 USD
A$27,496 AUD
View
B+
Retailer 22
-
$22,070 USD
View
B+
Retailer 23
-
$23,874 USD
View
Most Expensive
B
Taylor and Hart
1VU08U7 · Oct 31
$28,722 USD
View
23 more retailers have this diamond
Prices start from $6,377 USDSave up to $22,344 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+
5.56ct Round
$6,377 USD